4-(9-3x)=7

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Solution for 4-(9-3x)=7 equation: 


Simplifying
4 + -1(9 + -3x) = 7
4 + (9 * -1 + -3x * -1) = 7
4 + (-9 + 3x) = 7

Combine like terms: 4 + -9 = -5
-5 + 3x = 7

Solving
-5 + 3x = 7

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 7 + 5
3x = 7 + 5

Combine like terms: 7 + 5 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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