5y+4y=8y-7

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


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

Combine like terms: 5y + 4y = 9y
9y = 8y + -7

Reorder the terms:
9y = -7 + 8y

Solving
9y = -7 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
9y + -8y = -7 + 8y + -8y

Combine like terms: 9y + -8y = 1y
1y = -7 + 8y + -8y

Combine like terms: 8y + -8y = 0
1y = -7 + 0
1y = -7

Divide each side by '1'.
y = -7

Simplifying
y = -7

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