-5(-7)-3y=-20

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Solution for -5(-7)-3y=-20 equation: 


Simplifying
-5(-7) + -3y = -20

Multiply -5 * -7
35 + -3y = -20

Solving
35 + -3y = -20

Solving for variable 'y'.

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

Add '-35' to each side of the equation.
35 + -35 + -3y = -20 + -35

Combine like terms: 35 + -35 = 0
0 + -3y = -20 + -35
-3y = -20 + -35

Combine like terms: -20 + -35 = -55
-3y = -55

Divide each side by '-3'.
y = 18.33333333

Simplifying
y = 18.33333333

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