3(2y+7)-4=7y

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Solution for 3(2y+7)-4=7y equation:


Simplifying
3(2y + 7) + -4 = 7y

Reorder the terms:
3(7 + 2y) + -4 = 7y
(7 * 3 + 2y * 3) + -4 = 7y
(21 + 6y) + -4 = 7y

Reorder the terms:
21 + -4 + 6y = 7y

Combine like terms: 21 + -4 = 17
17 + 6y = 7y

Solving
17 + 6y = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
17 + 6y + -7y = 7y + -7y

Combine like terms: 6y + -7y = -1y
17 + -1y = 7y + -7y

Combine like terms: 7y + -7y = 0
17 + -1y = 0

Add '-17' to each side of the equation.
17 + -17 + -1y = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -1y = 0 + -17
-1y = 0 + -17

Combine like terms: 0 + -17 = -17
-1y = -17

Divide each side by '-1'.
y = 17

Simplifying
y = 17

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