30-9x=-7+21

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Solution for 30-9x=-7+21 equation: 


Simplifying
30 + -9x = -7 + 21

Combine like terms: -7 + 21 = 14
30 + -9x = 14

Solving
30 + -9x = 14

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -9x = 14 + -30

Combine like terms: 30 + -30 = 0
0 + -9x = 14 + -30
-9x = 14 + -30

Combine like terms: 14 + -30 = -16
-9x = -16

Divide each side by '-9'.
x = 1.777777778

Simplifying
x = 1.777777778

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