3(x+4)-7=18

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


Simplifying
3(x + 4) + -7 = 18

Reorder the terms:
3(4 + x) + -7 = 18
(4 * 3 + x * 3) + -7 = 18
(12 + 3x) + -7 = 18

Reorder the terms:
12 + -7 + 3x = 18

Combine like terms: 12 + -7 = 5
5 + 3x = 18

Solving
5 + 3x = 18

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 = 18 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = 18 + -5
3x = 18 + -5

Combine like terms: 18 + -5 = 13
3x = 13

Divide each side by '3'.
x = 4.333333333

Simplifying
x = 4.333333333

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