15-3(x-1)=7

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Solution for 15-3(x-1)=7 equation:


Simplifying
15 + -3(x + -1) = 7

Reorder the terms:
15 + -3(-1 + x) = 7
15 + (-1 * -3 + x * -3) = 7
15 + (3 + -3x) = 7

Combine like terms: 15 + 3 = 18
18 + -3x = 7

Solving
18 + -3x = 7

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -3x = 7 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 7 + -18
-3x = 7 + -18

Combine like terms: 7 + -18 = -11
-3x = -11

Divide each side by '-3'.
x = 3.666666667

Simplifying
x = 3.666666667

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