7-3x=4+9x

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Solution for 7-3x=4+9x equation:


Simplifying
7 + -3x = 4 + 9x

Solving
7 + -3x = 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.
7 + -3x + -9x = 4 + 9x + -9x

Combine like terms: -3x + -9x = -12x
7 + -12x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + -12x = 4 + 0
7 + -12x = 4

Add '-7' to each side of the equation.
7 + -7 + -12x = 4 + -7

Combine like terms: 7 + -7 = 0
0 + -12x = 4 + -7
-12x = 4 + -7

Combine like terms: 4 + -7 = -3
-12x = -3

Divide each side by '-12'.
x = 0.25

Simplifying
x = 0.25

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