3+x=9-4x

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


Simplifying
3 + x = 9 + -4x

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

Combine like terms: x + 4x = 5x
3 + 5x = 9 + -4x + 4x

Combine like terms: -4x + 4x = 0
3 + 5x = 9 + 0
3 + 5x = 9

Add '-3' to each side of the equation.
3 + -3 + 5x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 9 + -3
5x = 9 + -3

Combine like terms: 9 + -3 = 6
5x = 6

Divide each side by '5'.
x = 1.2

Simplifying
x = 1.2

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