3*(x-1)-4=7

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


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

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

Reorder the terms:
-3 + -4 + 3x = 7

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

Solving
-7 + 3x = 7

Solving for variable 'x'.

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

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

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

Combine like terms: 7 + 7 = 14
3x = 14

Divide each side by '3'.
x = 4.666666667

Simplifying
x = 4.666666667

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