(8y+7)-4y=-9

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Solution for (8y+7)-4y=-9 equation:


Simplifying
(8y + 7) + -4y = -9

Reorder the terms:
(7 + 8y) + -4y = -9

Remove parenthesis around (7 + 8y)
7 + 8y + -4y = -9

Combine like terms: 8y + -4y = 4y
7 + 4y = -9

Solving
7 + 4y = -9

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + 4y = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 4y = -9 + -7
4y = -9 + -7

Combine like terms: -9 + -7 = -16
4y = -16

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

Simplifying
y = -4

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