4(2)-5y=20

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Solution for 4(2)-5y=20 equation: 


Simplifying
4(2) + -5y = 20

Multiply 4 * 2
8 + -5y = 20

Solving
8 + -5y = 20

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + -5y = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -5y = 20 + -8
-5y = 20 + -8

Combine like terms: 20 + -8 = 12
-5y = 12

Divide each side by '-5'.
y = -2.4

Simplifying
y = -2.4

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