9(y-7)=7y-45

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Solution for 9(y-7)=7y-45 equation:


Simplifying
9(y + -7) = 7y + -45

Reorder the terms:
9(-7 + y) = 7y + -45
(-7 * 9 + y * 9) = 7y + -45
(-63 + 9y) = 7y + -45

Reorder the terms:
-63 + 9y = -45 + 7y

Solving
-63 + 9y = -45 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-63 + 9y + -7y = -45 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-63 + 2y = -45 + 7y + -7y

Combine like terms: 7y + -7y = 0
-63 + 2y = -45 + 0
-63 + 2y = -45

Add '63' to each side of the equation.
-63 + 63 + 2y = -45 + 63

Combine like terms: -63 + 63 = 0
0 + 2y = -45 + 63
2y = -45 + 63

Combine like terms: -45 + 63 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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