u-20+7u-28=-6+7(2u-6)-6u

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Solution for u-20+7u-28=-6+7(2u-6)-6u equation:


Simplifying
u + -20 + 7u + -28 = -6 + 7(2u + -6) + -6u

Reorder the terms:
-20 + -28 + u + 7u = -6 + 7(2u + -6) + -6u

Combine like terms: -20 + -28 = -48
-48 + u + 7u = -6 + 7(2u + -6) + -6u

Combine like terms: u + 7u = 8u
-48 + 8u = -6 + 7(2u + -6) + -6u

Reorder the terms:
-48 + 8u = -6 + 7(-6 + 2u) + -6u
-48 + 8u = -6 + (-6 * 7 + 2u * 7) + -6u
-48 + 8u = -6 + (-42 + 14u) + -6u

Combine like terms: -6 + -42 = -48
-48 + 8u = -48 + 14u + -6u

Combine like terms: 14u + -6u = 8u
-48 + 8u = -48 + 8u

Add '48' to each side of the equation.
-48 + 48 + 8u = -48 + 48 + 8u

Combine like terms: -48 + 48 = 0
0 + 8u = -48 + 48 + 8u
8u = -48 + 48 + 8u

Combine like terms: -48 + 48 = 0
8u = 0 + 8u
8u = 8u

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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