2x-7=9x(8)

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Solution for 2x-7=9x(8) equation:


Simplifying
2x + -7 = 9x(8)

Reorder the terms:
-7 + 2x = 9x(8)

Reorder the terms for easier multiplication:
-7 + 2x = 9 * 8x

Multiply 9 * 8
-7 + 2x = 72x

Solving
-7 + 2x = 72x

Solving for variable 'x'.

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

Add '-72x' to each side of the equation.
-7 + 2x + -72x = 72x + -72x

Combine like terms: 2x + -72x = -70x
-7 + -70x = 72x + -72x

Combine like terms: 72x + -72x = 0
-7 + -70x = 0

Add '7' to each side of the equation.
-7 + 7 + -70x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -70x = 0 + 7
-70x = 0 + 7

Combine like terms: 0 + 7 = 7
-70x = 7

Divide each side by '-70'.
x = -0.1

Simplifying
x = -0.1

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