madisonchapman madisonchapman

01-09-2014
Mathematics

Answered

1/7(x+21)=-6
answer ?

Answer :

konrad509 konrad509

01-09-2014

[tex]\frac{1}{7}(x+21)=-6\\ x+21=-42\\ x=-63[/tex]

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dmarierox dmarierox

01-09-2014

(1/7) Multiplied By x is 1/7x And (1/7) Multplied By Positive 21 is 3. So It Will Then Change To 1/7x + 3 = -6.
Subtract 3 From Both Sides. Then The Equation Changes To 1/7x = -9
Then Since (1/7) Basically Means To Divide You Would Multiply By 7 On Both Sides And Then x Would Equal -63!(:
Then Can Plug In -63 Where x Is To Check Your Work! Hope I Helped!

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