7(x-1)=9x-1

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Solution for 7(x-1)=9x-1 equation:


Simplifying
7(x + -1) = 9x + -1

Reorder the terms:
7(-1 + x) = 9x + -1
(-1 * 7 + x * 7) = 9x + -1
(-7 + 7x) = 9x + -1

Reorder the terms:
-7 + 7x = -1 + 9x

Solving
-7 + 7x = -1 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-7 + 7x + -9x = -1 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-7 + -2x = -1 + 9x + -9x

Combine like terms: 9x + -9x = 0
-7 + -2x = -1 + 0
-7 + -2x = -1

Add '7' to each side of the equation.
-7 + 7 + -2x = -1 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = -1 + 7
-2x = -1 + 7

Combine like terms: -1 + 7 = 6
-2x = 6

Divide each side by '-2'.
x = -3

Simplifying
x = -3

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