-x+43=3x+15

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Solution for -x+43=3x+15 equation:


Simplifying
-1x + 43 = 3x + 15

Reorder the terms:
43 + -1x = 3x + 15

Reorder the terms:
43 + -1x = 15 + 3x

Solving
43 + -1x = 15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
43 + -1x + -3x = 15 + 3x + -3x

Combine like terms: -1x + -3x = -4x
43 + -4x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
43 + -4x = 15 + 0
43 + -4x = 15

Add '-43' to each side of the equation.
43 + -43 + -4x = 15 + -43

Combine like terms: 43 + -43 = 0
0 + -4x = 15 + -43
-4x = 15 + -43

Combine like terms: 15 + -43 = -28
-4x = -28

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

Simplifying
x = 7

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