13=-8y-7

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Solution for 13=-8y-7 equation:


Simplifying
13 = -8y + -7

Reorder the terms:
13 = -7 + -8y

Solving
13 = -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.
13 + 8y = -7 + -8y + 8y

Combine like terms: -8y + 8y = 0
13 + 8y = -7 + 0
13 + 8y = -7

Add '-13' to each side of the equation.
13 + -13 + 8y = -7 + -13

Combine like terms: 13 + -13 = 0
0 + 8y = -7 + -13
8y = -7 + -13

Combine like terms: -7 + -13 = -20
8y = -20

Divide each side by '8'.
y = -2.5

Simplifying
y = -2.5

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