Question

What is the value of x: -7x = -2x + 15​

Answer 1

X= -3
Explanation: add 2x to both sides of equation. -7x+2x = -2x+15+2x which ends up equaling -5x=15 then divide both sides by -5. -5x=15 |
-5 -5 | which gets you -3 after dividing

Answer 2

-3

Explanation:

-7x=-2x+15

collect like terms

-7x+2x=15

-5x=15

divide both sides by -5

x=15/-5

x=-3