7x-8=9x-17

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Solution for 7x-8=9x-17 equation:


Simplifying
7x + -8 = 9x + -17

Reorder the terms:
-8 + 7x = 9x + -17

Reorder the terms:
-8 + 7x = -17 + 9x

Solving
-8 + 7x = -17 + 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.
-8 + 7x + -9x = -17 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-8 + -2x = -17 + 9x + -9x

Combine like terms: 9x + -9x = 0
-8 + -2x = -17 + 0
-8 + -2x = -17

Add '8' to each side of the equation.
-8 + 8 + -2x = -17 + 8

Combine like terms: -8 + 8 = 0
0 + -2x = -17 + 8
-2x = -17 + 8

Combine like terms: -17 + 8 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5

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