3(x+4)-1=7

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Solution for 3(x+4)-1=7 equation: 


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

Reorder the terms:
3(4 + x) + -1 = 7
(4 * 3 + x * 3) + -1 = 7
(12 + 3x) + -1 = 7

Reorder the terms:
12 + -1 + 3x = 7

Combine like terms: 12 + -1 = 11
11 + 3x = 7

Solving
11 + 3x = 7

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = 7 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = 7 + -11
3x = 7 + -11

Combine like terms: 7 + -11 = -4
3x = -4

Divide each side by '3'.
x = -1.333333333

Simplifying
x = -1.333333333

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