2x-9x+90=3x+40

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Solution for 2x-9x+90=3x+40 equation:


Simplifying
2x + -9x + 90 = 3x + 40

Reorder the terms:
90 + 2x + -9x = 3x + 40

Combine like terms: 2x + -9x = -7x
90 + -7x = 3x + 40

Reorder the terms:
90 + -7x = 40 + 3x

Solving
90 + -7x = 40 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
90 + -7x + -3x = 40 + 3x + -3x

Combine like terms: -7x + -3x = -10x
90 + -10x = 40 + 3x + -3x

Combine like terms: 3x + -3x = 0
90 + -10x = 40 + 0
90 + -10x = 40

Add '-90' to each side of the equation.
90 + -90 + -10x = 40 + -90

Combine like terms: 90 + -90 = 0
0 + -10x = 40 + -90
-10x = 40 + -90

Combine like terms: 40 + -90 = -50
-10x = -50

Divide each side by '-10'.
x = 5

Simplifying
x = 5

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