3(x+1)-9=20

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Solution for 3(x+1)-9=20 equation:


Simplifying
3(x + 1) + -9 = 20

Reorder the terms:
3(1 + x) + -9 = 20
(1 * 3 + x * 3) + -9 = 20
(3 + 3x) + -9 = 20

Reorder the terms:
3 + -9 + 3x = 20

Combine like terms: 3 + -9 = -6
-6 + 3x = 20

Solving
-6 + 3x = 20

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 3x = 20 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = 20 + 6
3x = 20 + 6

Combine like terms: 20 + 6 = 26
3x = 26

Divide each side by '3'.
x = 8.666666667

Simplifying
x = 8.666666667

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