-7+2y=-(y+100)

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Solution for -7+2y=-(y+100) equation:


Simplifying
-7 + 2y = -1(y + 100)

Reorder the terms:
-7 + 2y = -1(100 + y)
-7 + 2y = (100 * -1 + y * -1)
-7 + 2y = (-100 + -1y)

Solving
-7 + 2y = -100 + -1y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add 'y' to each side of the equation.
-7 + 2y + y = -100 + -1y + y

Combine like terms: 2y + y = 3y
-7 + 3y = -100 + -1y + y

Combine like terms: -1y + y = 0
-7 + 3y = -100 + 0
-7 + 3y = -100

Add '7' to each side of the equation.
-7 + 7 + 3y = -100 + 7

Combine like terms: -7 + 7 = 0
0 + 3y = -100 + 7
3y = -100 + 7

Combine like terms: -100 + 7 = -93
3y = -93

Divide each side by '3'.
y = -31

Simplifying
y = -31

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