-7(-10)+9y=-20

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Solution for -7(-10)+9y=-20 equation: 


Simplifying
-7(-10) + 9y = -20

Multiply -7 * -10
70 + 9y = -20

Solving
70 + 9y = -20

Solving for variable 'y'.

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

Add '-70' to each side of the equation.
70 + -70 + 9y = -20 + -70

Combine like terms: 70 + -70 = 0
0 + 9y = -20 + -70
9y = -20 + -70

Combine like terms: -20 + -70 = -90
9y = -90

Divide each side by '9'.
y = -10

Simplifying
y = -10

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