7(u-2)+12=4(u-2)

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Solution for 7(u-2)+12=4(u-2) equation:


Simplifying
7(u + -2) + 12 = 4(u + -2)

Reorder the terms:
7(-2 + u) + 12 = 4(u + -2)
(-2 * 7 + u * 7) + 12 = 4(u + -2)
(-14 + 7u) + 12 = 4(u + -2)

Reorder the terms:
-14 + 12 + 7u = 4(u + -2)

Combine like terms: -14 + 12 = -2
-2 + 7u = 4(u + -2)

Reorder the terms:
-2 + 7u = 4(-2 + u)
-2 + 7u = (-2 * 4 + u * 4)
-2 + 7u = (-8 + 4u)

Solving
-2 + 7u = -8 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-2 + 7u + -4u = -8 + 4u + -4u

Combine like terms: 7u + -4u = 3u
-2 + 3u = -8 + 4u + -4u

Combine like terms: 4u + -4u = 0
-2 + 3u = -8 + 0
-2 + 3u = -8

Add '2' to each side of the equation.
-2 + 2 + 3u = -8 + 2

Combine like terms: -2 + 2 = 0
0 + 3u = -8 + 2
3u = -8 + 2

Combine like terms: -8 + 2 = -6
3u = -6

Divide each side by '3'.
u = -2

Simplifying
u = -2

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