-3(-7y+7)-3y=2(y-5)-3

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Solution for -3(-7y+7)-3y=2(y-5)-3 equation:


Simplifying
-3(-7y + 7) + -3y = 2(y + -5) + -3

Reorder the terms:
-3(7 + -7y) + -3y = 2(y + -5) + -3
(7 * -3 + -7y * -3) + -3y = 2(y + -5) + -3
(-21 + 21y) + -3y = 2(y + -5) + -3

Combine like terms: 21y + -3y = 18y
-21 + 18y = 2(y + -5) + -3

Reorder the terms:
-21 + 18y = 2(-5 + y) + -3
-21 + 18y = (-5 * 2 + y * 2) + -3
-21 + 18y = (-10 + 2y) + -3

Reorder the terms:
-21 + 18y = -10 + -3 + 2y

Combine like terms: -10 + -3 = -13
-21 + 18y = -13 + 2y

Solving
-21 + 18y = -13 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-21 + 18y + -2y = -13 + 2y + -2y

Combine like terms: 18y + -2y = 16y
-21 + 16y = -13 + 2y + -2y

Combine like terms: 2y + -2y = 0
-21 + 16y = -13 + 0
-21 + 16y = -13

Add '21' to each side of the equation.
-21 + 21 + 16y = -13 + 21

Combine like terms: -21 + 21 = 0
0 + 16y = -13 + 21
16y = -13 + 21

Combine like terms: -13 + 21 = 8
16y = 8

Divide each side by '16'.
y = 0.5

Simplifying
y = 0.5

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