4y-3(2y-7)=5y+12

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Solution for 4y-3(2y-7)=5y+12 equation:


Simplifying
4y + -3(2y + -7) = 5y + 12

Reorder the terms:
4y + -3(-7 + 2y) = 5y + 12
4y + (-7 * -3 + 2y * -3) = 5y + 12
4y + (21 + -6y) = 5y + 12

Reorder the terms:
21 + 4y + -6y = 5y + 12

Combine like terms: 4y + -6y = -2y
21 + -2y = 5y + 12

Reorder the terms:
21 + -2y = 12 + 5y

Solving
21 + -2y = 12 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
21 + -2y + -5y = 12 + 5y + -5y

Combine like terms: -2y + -5y = -7y
21 + -7y = 12 + 5y + -5y

Combine like terms: 5y + -5y = 0
21 + -7y = 12 + 0
21 + -7y = 12

Add '-21' to each side of the equation.
21 + -21 + -7y = 12 + -21

Combine like terms: 21 + -21 = 0
0 + -7y = 12 + -21
-7y = 12 + -21

Combine like terms: 12 + -21 = -9
-7y = -9

Divide each side by '-7'.
y = 1.285714286

Simplifying
y = 1.285714286

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