13=4x+5x+4

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Solution for 13=4x+5x+4 equation:


Simplifying
13 = 4x + 5x + 4

Reorder the terms:
13 = 4 + 4x + 5x

Combine like terms: 4x + 5x = 9x
13 = 4 + 9x

Solving
13 = 4 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
13 + -9x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
13 + -9x = 4 + 0
13 + -9x = 4

Add '-13' to each side of the equation.
13 + -13 + -9x = 4 + -13

Combine like terms: 13 + -13 = 0
0 + -9x = 4 + -13
-9x = 4 + -13

Combine like terms: 4 + -13 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

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