3x+7=9-4y

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


Simplifying
3x + 7 = 9 + -4y

Reorder the terms:
7 + 3x = 9 + -4y

Solving
7 + 3x = 9 + -4y

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 3x = 9 + -7 + -4y

Combine like terms: 7 + -7 = 0
0 + 3x = 9 + -7 + -4y
3x = 9 + -7 + -4y

Combine like terms: 9 + -7 = 2
3x = 2 + -4y

Divide each side by '3'.
x = 0.6666666667 + -1.333333333y

Simplifying
x = 0.6666666667 + -1.333333333y

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