8y+7=4y-5

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


Simplifying
8y + 7 = 4y + -5

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

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

Solving
7 + 8y = -5 + 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 + 8y + -4y = -5 + 4y + -4y

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

Combine like terms: 4y + -4y = 0
7 + 4y = -5 + 0
7 + 4y = -5

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

Combine like terms: 7 + -7 = 0
0 + 4y = -5 + -7
4y = -5 + -7

Combine like terms: -5 + -7 = -12
4y = -12

Divide each side by '4'.
y = -3

Simplifying
y = -3

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