7(y-1)=7y+2-5(-2y-1)

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Solution for 7(y-1)=7y+2-5(-2y-1) equation:


Simplifying
7(y + -1) = 7y + 2 + -5(-2y + -1)

Reorder the terms:
7(-1 + y) = 7y + 2 + -5(-2y + -1)
(-1 * 7 + y * 7) = 7y + 2 + -5(-2y + -1)
(-7 + 7y) = 7y + 2 + -5(-2y + -1)

Reorder the terms:
-7 + 7y = 7y + 2 + -5(-1 + -2y)
-7 + 7y = 7y + 2 + (-1 * -5 + -2y * -5)
-7 + 7y = 7y + 2 + (5 + 10y)

Reorder the terms:
-7 + 7y = 2 + 5 + 7y + 10y

Combine like terms: 2 + 5 = 7
-7 + 7y = 7 + 7y + 10y

Combine like terms: 7y + 10y = 17y
-7 + 7y = 7 + 17y

Solving
-7 + 7y = 7 + 17y

Solving for variable 'y'.

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

Add '-17y' to each side of the equation.
-7 + 7y + -17y = 7 + 17y + -17y

Combine like terms: 7y + -17y = -10y
-7 + -10y = 7 + 17y + -17y

Combine like terms: 17y + -17y = 0
-7 + -10y = 7 + 0
-7 + -10y = 7

Add '7' to each side of the equation.
-7 + 7 + -10y = 7 + 7

Combine like terms: -7 + 7 = 0
0 + -10y = 7 + 7
-10y = 7 + 7

Combine like terms: 7 + 7 = 14
-10y = 14

Divide each side by '-10'.
y = -1.4

Simplifying
y = -1.4

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