Answer:
4x+15
Step-by-step explanation:
9x + 15 - 5x +10
Answer:
first we add two numbers but we add two numbers then their sing are same then we add two number 9x +15 - 5x + 10
Step-by-step explanation:
solution
9x + 15 - 5x +10
= 9x + 25 - 5x
= 4x + 25
or x = 4 -25
: . x = 21