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

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


Simplifying
7(9y + -9) + -1(2y + 9) = 0

Reorder the terms:
7(-9 + 9y) + -1(2y + 9) = 0
(-9 * 7 + 9y * 7) + -1(2y + 9) = 0
(-63 + 63y) + -1(2y + 9) = 0

Reorder the terms:
-63 + 63y + -1(9 + 2y) = 0
-63 + 63y + (9 * -1 + 2y * -1) = 0
-63 + 63y + (-9 + -2y) = 0

Reorder the terms:
-63 + -9 + 63y + -2y = 0

Combine like terms: -63 + -9 = -72
-72 + 63y + -2y = 0

Combine like terms: 63y + -2y = 61y
-72 + 61y = 0

Solving
-72 + 61y = 0

Solving for variable 'y'.

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

Add '72' to each side of the equation.
-72 + 72 + 61y = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 61y = 0 + 72
61y = 0 + 72

Combine like terms: 0 + 72 = 72
61y = 72

Divide each side by '61'.
y = 1.180327869

Simplifying
y = 1.180327869

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