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

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


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

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

Reorder the terms:
-63 + 9x = 8(-7 + x)
-63 + 9x = (-7 * 8 + x * 8)
-63 + 9x = (-56 + 8x)

Solving
-63 + 9x = -56 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-63 + 9x + -8x = -56 + 8x + -8x

Combine like terms: 9x + -8x = 1x
-63 + 1x = -56 + 8x + -8x

Combine like terms: 8x + -8x = 0
-63 + 1x = -56 + 0
-63 + 1x = -56

Add '63' to each side of the equation.
-63 + 63 + 1x = -56 + 63

Combine like terms: -63 + 63 = 0
0 + 1x = -56 + 63
1x = -56 + 63

Combine like terms: -56 + 63 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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