30x-13x+17=12x-21

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Solution for 30x-13x+17=12x-21 equation:


Simplifying
30x + -13x + 17 = 12x + -21

Reorder the terms:
17 + 30x + -13x = 12x + -21

Combine like terms: 30x + -13x = 17x
17 + 17x = 12x + -21

Reorder the terms:
17 + 17x = -21 + 12x

Solving
17 + 17x = -21 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
17 + 17x + -12x = -21 + 12x + -12x

Combine like terms: 17x + -12x = 5x
17 + 5x = -21 + 12x + -12x

Combine like terms: 12x + -12x = 0
17 + 5x = -21 + 0
17 + 5x = -21

Add '-17' to each side of the equation.
17 + -17 + 5x = -21 + -17

Combine like terms: 17 + -17 = 0
0 + 5x = -21 + -17
5x = -21 + -17

Combine like terms: -21 + -17 = -38
5x = -38

Divide each side by '5'.
x = -7.6

Simplifying
x = -7.6

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