30=9x+2-2x

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Solution for 30=9x+2-2x equation:


Simplifying
30 = 9x + 2 + -2x

Reorder the terms:
30 = 2 + 9x + -2x

Combine like terms: 9x + -2x = 7x
30 = 2 + 7x

Solving
30 = 2 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
30 + -7x = 2 + 7x + -7x

Combine like terms: 7x + -7x = 0
30 + -7x = 2 + 0
30 + -7x = 2

Add '-30' to each side of the equation.
30 + -30 + -7x = 2 + -30

Combine like terms: 30 + -30 = 0
0 + -7x = 2 + -30
-7x = 2 + -30

Combine like terms: 2 + -30 = -28
-7x = -28

Divide each side by '-7'.
x = 4

Simplifying
x = 4

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