7x+4(3-x)=18

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Solution for 7x+4(3-x)=18 equation:


Simplifying
7x + 4(3 + -1x) = 18
7x + (3 * 4 + -1x * 4) = 18
7x + (12 + -4x) = 18

Reorder the terms:
12 + 7x + -4x = 18

Combine like terms: 7x + -4x = 3x
12 + 3x = 18

Solving
12 + 3x = 18

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 3x = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 18 + -12
3x = 18 + -12

Combine like terms: 18 + -12 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

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