3(7y-3)=4(5y+7)

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Solution for 3(7y-3)=4(5y+7) equation:


Simplifying
3(7y + -3) = 4(5y + 7)

Reorder the terms:
3(-3 + 7y) = 4(5y + 7)
(-3 * 3 + 7y * 3) = 4(5y + 7)
(-9 + 21y) = 4(5y + 7)

Reorder the terms:
-9 + 21y = 4(7 + 5y)
-9 + 21y = (7 * 4 + 5y * 4)
-9 + 21y = (28 + 20y)

Solving
-9 + 21y = 28 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
-9 + 21y + -20y = 28 + 20y + -20y

Combine like terms: 21y + -20y = 1y
-9 + 1y = 28 + 20y + -20y

Combine like terms: 20y + -20y = 0
-9 + 1y = 28 + 0
-9 + 1y = 28

Add '9' to each side of the equation.
-9 + 9 + 1y = 28 + 9

Combine like terms: -9 + 9 = 0
0 + 1y = 28 + 9
1y = 28 + 9

Combine like terms: 28 + 9 = 37
1y = 37

Divide each side by '1'.
y = 37

Simplifying
y = 37

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