7u-18=4(u-3)

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Solution for 7u-18=4(u-3) equation:


Simplifying
7u + -18 = 4(u + -3)

Reorder the terms:
-18 + 7u = 4(u + -3)

Reorder the terms:
-18 + 7u = 4(-3 + u)
-18 + 7u = (-3 * 4 + u * 4)
-18 + 7u = (-12 + 4u)

Solving
-18 + 7u = -12 + 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.
-18 + 7u + -4u = -12 + 4u + -4u

Combine like terms: 7u + -4u = 3u
-18 + 3u = -12 + 4u + -4u

Combine like terms: 4u + -4u = 0
-18 + 3u = -12 + 0
-18 + 3u = -12

Add '18' to each side of the equation.
-18 + 18 + 3u = -12 + 18

Combine like terms: -18 + 18 = 0
0 + 3u = -12 + 18
3u = -12 + 18

Combine like terms: -12 + 18 = 6
3u = 6

Divide each side by '3'.
u = 2

Simplifying
u = 2

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