15=1+4x+3x

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


Simplifying
15 = 1 + 4x + 3x

Combine like terms: 4x + 3x = 7x
15 = 1 + 7x

Solving
15 = 1 + 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.
15 + -7x = 1 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -7x = 1 + 0
15 + -7x = 1

Add '-15' to each side of the equation.
15 + -15 + -7x = 1 + -15

Combine like terms: 15 + -15 = 0
0 + -7x = 1 + -15
-7x = 1 + -15

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

Divide each side by '-7'.
x = 2

Simplifying
x = 2

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