U-3(x-1)+9=15

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Solution for U-3(x-1)+9=15 equation:


Simplifying
U + -3(x + -1) + 9 = 15

Reorder the terms:
U + -3(-1 + x) + 9 = 15
U + (-1 * -3 + x * -3) + 9 = 15
U + (3 + -3x) + 9 = 15

Reorder the terms:
3 + 9 + U + -3x = 15

Combine like terms: 3 + 9 = 12
12 + U + -3x = 15

Solving
12 + U + -3x = 15

Solving for variable 'U'.

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

Add '-12' to each side of the equation.
12 + U + -12 + -3x = 15 + -12

Reorder the terms:
12 + -12 + U + -3x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + U + -3x = 15 + -12
U + -3x = 15 + -12

Combine like terms: 15 + -12 = 3
U + -3x = 3

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

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

Simplifying
U = 3 + 3x

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