13-9x=91-30x

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Solution for 13-9x=91-30x equation:


Simplifying
13 + -9x = 91 + -30x

Solving
13 + -9x = 91 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
13 + -9x + 30x = 91 + -30x + 30x

Combine like terms: -9x + 30x = 21x
13 + 21x = 91 + -30x + 30x

Combine like terms: -30x + 30x = 0
13 + 21x = 91 + 0
13 + 21x = 91

Add '-13' to each side of the equation.
13 + -13 + 21x = 91 + -13

Combine like terms: 13 + -13 = 0
0 + 21x = 91 + -13
21x = 91 + -13

Combine like terms: 91 + -13 = 78
21x = 78

Divide each side by '21'.
x = 3.714285714

Simplifying
x = 3.714285714

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