3x-7x+9=89

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Solution for 3x-7x+9=89 equation:


Simplifying
3x + -7x + 9 = 89

Reorder the terms:
9 + 3x + -7x = 89

Combine like terms: 3x + -7x = -4x
9 + -4x = 89

Solving
9 + -4x = 89

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -4x = 89 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 89 + -9
-4x = 89 + -9

Combine like terms: 89 + -9 = 80
-4x = 80

Divide each side by '-4'.
x = -20

Simplifying
x = -20

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