levistoner572
levistoner572 levistoner572
  • 15-08-2017
  • Mathematics
contestada

What is -7=3+2x pls i need help

Respuesta :

VanillaAngelic
VanillaAngelic VanillaAngelic
  • 15-08-2017
Move 3 to the other side to isolate x.

-10 = 2x

Divide both sides by 2 to isolate x.

-5 = x
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 15-08-2017
remember, you can do anything to an equation as long as you do it to both sides


-7=3+2x
minus 3 from both sides
-3-7=3-3+2x
-10=0+2x
-10=2x
dividie both sides by 2
-10/2=(2x)/2
-5=x
x=-5
Answer Link

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