6x+30=9x+42

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Solution for 6x+30=9x+42 equation:


Simplifying
6x + 30 = 9x + 42

Reorder the terms:
30 + 6x = 9x + 42

Reorder the terms:
30 + 6x = 42 + 9x

Solving
30 + 6x = 42 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
30 + 6x + -9x = 42 + 9x + -9x

Combine like terms: 6x + -9x = -3x
30 + -3x = 42 + 9x + -9x

Combine like terms: 9x + -9x = 0
30 + -3x = 42 + 0
30 + -3x = 42

Add '-30' to each side of the equation.
30 + -30 + -3x = 42 + -30

Combine like terms: 30 + -30 = 0
0 + -3x = 42 + -30
-3x = 42 + -30

Combine like terms: 42 + -30 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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