9(9y-7)-(6y+9)=

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Solution for 9(9y-7)-(6y+9)= equation:


Simplifying
9(9y + -7) + -1(6y + 9) = 0

Reorder the terms:
9(-7 + 9y) + -1(6y + 9) = 0
(-7 * 9 + 9y * 9) + -1(6y + 9) = 0
(-63 + 81y) + -1(6y + 9) = 0

Reorder the terms:
-63 + 81y + -1(9 + 6y) = 0
-63 + 81y + (9 * -1 + 6y * -1) = 0
-63 + 81y + (-9 + -6y) = 0

Reorder the terms:
-63 + -9 + 81y + -6y = 0

Combine like terms: -63 + -9 = -72
-72 + 81y + -6y = 0

Combine like terms: 81y + -6y = 75y
-72 + 75y = 0

Solving
-72 + 75y = 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 + 75y = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 75y = 0 + 72
75y = 0 + 72

Combine like terms: 0 + 72 = 72
75y = 72

Divide each side by '75'.
y = 0.96

Simplifying
y = 0.96

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