15-4x+30=7-x

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Solution for 15-4x+30=7-x equation:


Simplifying
15 + -4x + 30 = 7 + -1x

Reorder the terms:
15 + 30 + -4x = 7 + -1x

Combine like terms: 15 + 30 = 45
45 + -4x = 7 + -1x

Solving
45 + -4x = 7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
45 + -4x + x = 7 + -1x + x

Combine like terms: -4x + x = -3x
45 + -3x = 7 + -1x + x

Combine like terms: -1x + x = 0
45 + -3x = 7 + 0
45 + -3x = 7

Add '-45' to each side of the equation.
45 + -45 + -3x = 7 + -45

Combine like terms: 45 + -45 = 0
0 + -3x = 7 + -45
-3x = 7 + -45

Combine like terms: 7 + -45 = -38
-3x = -38

Divide each side by '-3'.
x = 12.66666667

Simplifying
x = 12.66666667

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