7(1+3y)=-140

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Solution for 7(1+3y)=-140 equation: 


Simplifying
7(1 + 3y) = -140
(1 * 7 + 3y * 7) = -140
(7 + 21y) = -140

Solving
7 + 21y = -140

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + 21y = -140 + -7

Combine like terms: 7 + -7 = 0
0 + 21y = -140 + -7
21y = -140 + -7

Combine like terms: -140 + -7 = -147
21y = -147

Divide each side by '21'.
y = -7

Simplifying
y = -7

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