bradensanchez11
bradensanchez11
02-12-2014
Mathematics
Answered
how do i solve 7x-y=21
Answer :
NasimAljabri
NasimAljabri
02-12-2014
it is 3 because we multiply 3 and 7 and we get 21
Answer Link
aceituno98
aceituno98
02-12-2014
The answer answer is actually -3 because you divided 7 from 21 and you get 3 then you divided -1 because the y has a negative sing on it and you want it to be positive. That is why the answer is -3
Answer Link
VIEW ALL ANSWERS ( 41+ )
Other Questions
Multiply:[tex]\[ \frac{2y}{3x} \cdot \frac{9x^3y^2}{10y} \][/tex]Simplify your answer as much as possible.
A 42-year-old man is transferred to your ward, from the coronary care unit, for rehabilitation following a minor myocardial infarction. As the admitting nurse o
Drag each label to the correct category.Greg is a forensic examiner. He has been assigned the task of examining tool marks on a victim's body at a crime scene.
Demonstrate how the following advertisement focuses on audience. Discuss who its audience is (which audience category and why).
When creating a budget, log fixed expenses:A. before income.B. after income.C. after savings.D. at the top.
In a group assignment, students are required to fill 10 beakers with [tex]$0.720 \, M \, CaCl_2$[/tex]. If the molar mass of [tex]CaCl_2[/tex] is [tex]110.98 \,
The function [tex]$f(t)=349.2(0.98)^t$[/tex] models the relationship between [tex][tex]$t$[/tex][/tex], the time an oven spends cooling, and the temperature of
18. La producción de amoniaco [tex]$ (NH_3) $[/tex] se puede llevar a cabo haciendo reaccionar los gases hidrógeno [tex]$ (H_2) $[/tex] y nitrógeno [tex][tex]$
The equation for distance is [tex]d = st[/tex]. If a car has a speed of [tex]35 \, \text{m/s}[/tex], how long will it take to go [tex]100 \, \text{m}[/tex]?A. [
Fill in the missing justifications in the correct order.[tex]\[ \begin{tabular}{|l|l|} \hline Mathematical Statement & \multicolumn{1}{|c|}{ Justification }
Two numbers are in the ratio 3:2. If the smaller number is 24, find the larger number
Two numbers are in the ratio 3:2. If the smaller number is 24, find the larger number
Explain how a leaf is like a factory?
Is .31 greater than .41
Explain how a leaf is like a factory?
the contour interval is a measurement of ????
how is life in a city more rewarding than life outside a city
what is: x + 3 - 2x -1 = 4 5 3
3 90/100 equals what decimal
3 90/100 equals what decimal