3(x-1)-1=17

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Solution for 3(x-1)-1=17 equation:


Simplifying
3(x + -1) + -1 = 17

Reorder the terms:
3(-1 + x) + -1 = 17
(-1 * 3 + x * 3) + -1 = 17
(-3 + 3x) + -1 = 17

Reorder the terms:
-3 + -1 + 3x = 17

Combine like terms: -3 + -1 = -4
-4 + 3x = 17

Solving
-4 + 3x = 17

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = 17 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 17 + 4
3x = 17 + 4

Combine like terms: 17 + 4 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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