3x=91-10x

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Solution for 3x=91-10x equation: 


Simplifying
3x = 91 + -10x

Solving
3x = 91 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
3x + 10x = 91 + -10x + 10x

Combine like terms: 3x + 10x = 13x
13x = 91 + -10x + 10x

Combine like terms: -10x + 10x = 0
13x = 91 + 0
13x = 91

Divide each side by '13'.
x = 7

Simplifying
x = 7

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