9x-70=20

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Solution for 9x-70=20 equation: 


Simplifying
9x + -70 = 20

Reorder the terms:
-70 + 9x = 20

Solving
-70 + 9x = 20

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 9x = 20 + 70

Combine like terms: -70 + 70 = 0
0 + 9x = 20 + 70
9x = 20 + 70

Combine like terms: 20 + 70 = 90
9x = 90

Divide each side by '9'.
x = 10

Simplifying
x = 10

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