7(y-1)=7y+2-2(-9y-3)

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Solution for 7(y-1)=7y+2-2(-9y-3) equation:


Simplifying
7(y + -1) = 7y + 2 + -2(-9y + -3)

Reorder the terms:
7(-1 + y) = 7y + 2 + -2(-9y + -3)
(-1 * 7 + y * 7) = 7y + 2 + -2(-9y + -3)
(-7 + 7y) = 7y + 2 + -2(-9y + -3)

Reorder the terms:
-7 + 7y = 7y + 2 + -2(-3 + -9y)
-7 + 7y = 7y + 2 + (-3 * -2 + -9y * -2)
-7 + 7y = 7y + 2 + (6 + 18y)

Reorder the terms:
-7 + 7y = 2 + 6 + 7y + 18y

Combine like terms: 2 + 6 = 8
-7 + 7y = 8 + 7y + 18y

Combine like terms: 7y + 18y = 25y
-7 + 7y = 8 + 25y

Solving
-7 + 7y = 8 + 25y

Solving for variable 'y'.

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

Add '-25y' to each side of the equation.
-7 + 7y + -25y = 8 + 25y + -25y

Combine like terms: 7y + -25y = -18y
-7 + -18y = 8 + 25y + -25y

Combine like terms: 25y + -25y = 0
-7 + -18y = 8 + 0
-7 + -18y = 8

Add '7' to each side of the equation.
-7 + 7 + -18y = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -18y = 8 + 7
-18y = 8 + 7

Combine like terms: 8 + 7 = 15
-18y = 15

Divide each side by '-18'.
y = -0.8333333333

Simplifying
y = -0.8333333333

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