9y-7(y+2)=4

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Solution for 9y-7(y+2)=4 equation:


Simplifying
9y + -7(y + 2) = 4

Reorder the terms:
9y + -7(2 + y) = 4
9y + (2 * -7 + y * -7) = 4
9y + (-14 + -7y) = 4

Reorder the terms:
-14 + 9y + -7y = 4

Combine like terms: 9y + -7y = 2y
-14 + 2y = 4

Solving
-14 + 2y = 4

Solving for variable 'y'.

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

Add '14' to each side of the equation.
-14 + 14 + 2y = 4 + 14

Combine like terms: -14 + 14 = 0
0 + 2y = 4 + 14
2y = 4 + 14

Combine like terms: 4 + 14 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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