3(3+4x)-1=20

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Solution for 3(3+4x)-1=20 equation: 


Simplifying
3(3 + 4x) + -1 = 20
(3 * 3 + 4x * 3) + -1 = 20
(9 + 12x) + -1 = 20

Reorder the terms:
9 + -1 + 12x = 20

Combine like terms: 9 + -1 = 8
8 + 12x = 20

Solving
8 + 12x = 20

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 12x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 12x = 20 + -8
12x = 20 + -8

Combine like terms: 20 + -8 = 12
12x = 12

Divide each side by '12'.
x = 1

Simplifying
x = 1

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