2x + 5 = -12x -15 solve and check

10/7

Step-by-step explanation:

Step 1: Subtract 12x from both sides.

−2x+5−12x=12x−15−12x

−14x+5=−15

Step 2: Subtract 5 from both sides.

−14x+5−5=−15−5

−14x=−20

Step 3: Divide both sides by -14.

−14x/14=−20/14

x=10/7

You get 10 over 7 because you simplify 20 over 14 by dividing them by 2 which would give you 10/7.

the fist one is not equalvalent but i think th second one isand the third isnt definetly or the last one is i think. hope this !

step-by-step explanation:

56

step-by-step explanation: