15-1=4x+3x+15

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


Simplifying
15 + -1 = 4x + 3x + 15

Combine like terms: 15 + -1 = 14
14 = 4x + 3x + 15

Reorder the terms:
14 = 15 + 4x + 3x

Combine like terms: 4x + 3x = 7x
14 = 15 + 7x

Solving
14 = 15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
14 + -7x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
14 + -7x = 15 + 0
14 + -7x = 15

Add '-14' to each side of the equation.
14 + -14 + -7x = 15 + -14

Combine like terms: 14 + -14 = 0
0 + -7x = 15 + -14
-7x = 15 + -14

Combine like terms: 15 + -14 = 1
-7x = 1

Divide each side by '-7'.
x = -0.1428571429

Simplifying
x = -0.1428571429

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