1x-4=3x+15

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Solution for 1x-4=3x+15 equation:


Simplifying
1x + -4 = 3x + 15

Reorder the terms:
-4 + 1x = 3x + 15

Reorder the terms:
-4 + 1x = 15 + 3x

Solving
-4 + 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.
-4 + 1x + -3x = 15 + 3x + -3x

Combine like terms: 1x + -3x = -2x
-4 + -2x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-4 + -2x = 15 + 0
-4 + -2x = 15

Add '4' to each side of the equation.
-4 + 4 + -2x = 15 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 15 + 4
-2x = 15 + 4

Combine like terms: 15 + 4 = 19
-2x = 19

Divide each side by '-2'.
x = -9.5

Simplifying
x = -9.5

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