4(u-3)-8u=28

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Solution for 4(u-3)-8u=28 equation:


Simplifying
4(u + -3) + -8u = 28

Reorder the terms:
4(-3 + u) + -8u = 28
(-3 * 4 + u * 4) + -8u = 28
(-12 + 4u) + -8u = 28

Combine like terms: 4u + -8u = -4u
-12 + -4u = 28

Solving
-12 + -4u = 28

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 + 12 + -4u = 28 + 12

Combine like terms: -12 + 12 = 0
0 + -4u = 28 + 12
-4u = 28 + 12

Combine like terms: 28 + 12 = 40
-4u = 40

Divide each side by '-4'.
u = -10

Simplifying
u = -10

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