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

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


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

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

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

Reorder the terms:
-81 + -6 + 63y + -7y = 0

Combine like terms: -81 + -6 = -87
-87 + 63y + -7y = 0

Combine like terms: 63y + -7y = 56y
-87 + 56y = 0

Solving
-87 + 56y = 0

Solving for variable 'y'.

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

Add '87' to each side of the equation.
-87 + 87 + 56y = 0 + 87

Combine like terms: -87 + 87 = 0
0 + 56y = 0 + 87
56y = 0 + 87

Combine like terms: 0 + 87 = 87
56y = 87

Divide each side by '56'.
y = 1.553571429

Simplifying
y = 1.553571429

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