9-3x=13-4x

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Solution for 9-3x=13-4x equation:


Simplifying
9 + -3x = 13 + -4x

Solving
9 + -3x = 13 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
9 + -3x + 4x = 13 + -4x + 4x

Combine like terms: -3x + 4x = 1x
9 + 1x = 13 + -4x + 4x

Combine like terms: -4x + 4x = 0
9 + 1x = 13 + 0
9 + 1x = 13

Add '-9' to each side of the equation.
9 + -9 + 1x = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 13 + -9
1x = 13 + -9

Combine like terms: 13 + -9 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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