7(4-y)=-84

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Solution for 7(4-y)=-84 equation: 


Simplifying
7(4 + -1y) = -84
(4 * 7 + -1y * 7) = -84
(28 + -7y) = -84

Solving
28 + -7y = -84

Solving for variable 'y'.

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

Add '-28' to each side of the equation.
28 + -28 + -7y = -84 + -28

Combine like terms: 28 + -28 = 0
0 + -7y = -84 + -28
-7y = -84 + -28

Combine like terms: -84 + -28 = -112
-7y = -112

Divide each side by '-7'.
y = 16

Simplifying
y = 16

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