-5(y-2y)+7=-4(2y-y)+2+8y

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Solution for -5(y-2y)+7=-4(2y-y)+2+8y equation:


Simplifying
-5(y + -2y) + 7 = -4(2y + -1y) + 2 + 8y

Combine like terms: y + -2y = -1y
-5(-1y) + 7 = -4(2y + -1y) + 2 + 8y

Remove parenthesis around (-1y)
-5 * -1y + 7 = -4(2y + -1y) + 2 + 8y

Multiply -5 * -1
5y + 7 = -4(2y + -1y) + 2 + 8y

Reorder the terms:
7 + 5y = -4(2y + -1y) + 2 + 8y

Combine like terms: 2y + -1y = 1y
7 + 5y = -4(1y) + 2 + 8y

Remove parenthesis around (1y)
7 + 5y = -4 * 1y + 2 + 8y

Multiply -4 * 1
7 + 5y = -4y + 2 + 8y

Reorder the terms:
7 + 5y = 2 + -4y + 8y

Combine like terms: -4y + 8y = 4y
7 + 5y = 2 + 4y

Solving
7 + 5y = 2 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
7 + 5y + -4y = 2 + 4y + -4y

Combine like terms: 5y + -4y = 1y
7 + 1y = 2 + 4y + -4y

Combine like terms: 4y + -4y = 0
7 + 1y = 2 + 0
7 + 1y = 2

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

Combine like terms: 7 + -7 = 0
0 + 1y = 2 + -7
1y = 2 + -7

Combine like terms: 2 + -7 = -5
1y = -5

Divide each side by '1'.
y = -5

Simplifying
y = -5

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