7y-4(2y-3)=20

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Solution for 7y-4(2y-3)=20 equation:


Simplifying
7y + -4(2y + -3) = 20

Reorder the terms:
7y + -4(-3 + 2y) = 20
7y + (-3 * -4 + 2y * -4) = 20
7y + (12 + -8y) = 20

Reorder the terms:
12 + 7y + -8y = 20

Combine like terms: 7y + -8y = -1y
12 + -1y = 20

Solving
12 + -1y = 20

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + -1y = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -1y = 20 + -12
-1y = 20 + -12

Combine like terms: 20 + -12 = 8
-1y = 8

Divide each side by '-1'.
y = -8

Simplifying
y = -8

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