Respuesta :

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-6=-7+x

Make the variable to the left hand side and change it’s sign.

-6-x=-7

Move the constant to the right hand side and change its sign.

-x=-7+6

Calculate the sum

-x=-1

Change the signs of both sides of the equation .

X=1
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Answer : x=1

-3=-7+x/2
-3=-7+x/2
2(-3)=(-7+x/2)*2
-6 =-7+x
-6+7=x
x=1

More explanation
We multiplied both sides by 2 > is as same as (-7+x)*1/2
When we move -7 to the other side to -6 It changes the positive sign to -7

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