7(x-9)+x=8(x-9)+9

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Solution for 7(x-9)+x=8(x-9)+9 equation: 


Simplifying
7(x + -9) + x = 8(x + -9) + 9

Reorder the terms:
7(-9 + x) + x = 8(x + -9) + 9
(-9 * 7 + x * 7) + x = 8(x + -9) + 9
(-63 + 7x) + x = 8(x + -9) + 9

Combine like terms: 7x + x = 8x
-63 + 8x = 8(x + -9) + 9

Reorder the terms:
-63 + 8x = 8(-9 + x) + 9
-63 + 8x = (-9 * 8 + x * 8) + 9
-63 + 8x = (-72 + 8x) + 9

Reorder the terms:
-63 + 8x = -72 + 9 + 8x

Combine like terms: -72 + 9 = -63
-63 + 8x = -63 + 8x

Add '63' to each side of the equation.
-63 + 63 + 8x = -63 + 63 + 8x

Combine like terms: -63 + 63 = 0
0 + 8x = -63 + 63 + 8x
8x = -63 + 63 + 8x

Combine like terms: -63 + 63 = 0
8x = 0 + 8x
8x = 8x

Add '-8x' to each side of the equation.
8x + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
0 = 8x + -8x

Combine like terms: 8x + -8x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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