90x+900=80x+170

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Solution for 90x+900=80x+170 equation:


Simplifying
90x + 900 = 80x + 170

Reorder the terms:
900 + 90x = 80x + 170

Reorder the terms:
900 + 90x = 170 + 80x

Solving
900 + 90x = 170 + 80x

Solving for variable 'x'.

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

Add '-80x' to each side of the equation.
900 + 90x + -80x = 170 + 80x + -80x

Combine like terms: 90x + -80x = 10x
900 + 10x = 170 + 80x + -80x

Combine like terms: 80x + -80x = 0
900 + 10x = 170 + 0
900 + 10x = 170

Add '-900' to each side of the equation.
900 + -900 + 10x = 170 + -900

Combine like terms: 900 + -900 = 0
0 + 10x = 170 + -900
10x = 170 + -900

Combine like terms: 170 + -900 = -730
10x = -730

Divide each side by '10'.
x = -73

Simplifying
x = -73

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