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

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


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

Reorder the terms:
4(5 + 2y) = 5y + -7
(5 * 4 + 2y * 4) = 5y + -7
(20 + 8y) = 5y + -7

Reorder the terms:
20 + 8y = -7 + 5y

Solving
20 + 8y = -7 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
20 + 8y + -5y = -7 + 5y + -5y

Combine like terms: 8y + -5y = 3y
20 + 3y = -7 + 5y + -5y

Combine like terms: 5y + -5y = 0
20 + 3y = -7 + 0
20 + 3y = -7

Add '-20' to each side of the equation.
20 + -20 + 3y = -7 + -20

Combine like terms: 20 + -20 = 0
0 + 3y = -7 + -20
3y = -7 + -20

Combine like terms: -7 + -20 = -27
3y = -27

Divide each side by '3'.
y = -9

Simplifying
y = -9

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