3(-10)-5y=20

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Solution for 3(-10)-5y=20 equation: 


Simplifying
3(-10) + -5y = 20

Multiply 3 * -10
-30 + -5y = 20

Solving
-30 + -5y = 20

Solving for variable 'y'.

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

Add '30' to each side of the equation.
-30 + 30 + -5y = 20 + 30

Combine like terms: -30 + 30 = 0
0 + -5y = 20 + 30
-5y = 20 + 30

Combine like terms: 20 + 30 = 50
-5y = 50

Divide each side by '-5'.
y = -10

Simplifying
y = -10

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