7(3y+1)-3(y-2)=

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Solution for 7(3y+1)-3(y-2)= equation:


Simplifying
7(3y + 1) + -3(y + -2) = 0

Reorder the terms:
7(1 + 3y) + -3(y + -2) = 0
(1 * 7 + 3y * 7) + -3(y + -2) = 0
(7 + 21y) + -3(y + -2) = 0

Reorder the terms:
7 + 21y + -3(-2 + y) = 0
7 + 21y + (-2 * -3 + y * -3) = 0
7 + 21y + (6 + -3y) = 0

Reorder the terms:
7 + 6 + 21y + -3y = 0

Combine like terms: 7 + 6 = 13
13 + 21y + -3y = 0

Combine like terms: 21y + -3y = 18y
13 + 18y = 0

Solving
13 + 18y = 0

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + 18y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 18y = 0 + -13
18y = 0 + -13

Combine like terms: 0 + -13 = -13
18y = -13

Divide each side by '18'.
y = -0.7222222222

Simplifying
y = -0.7222222222

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