20+6(-3u+20)=-7u+12+18

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Solution for 20+6(-3u+20)=-7u+12+18 equation:


Simplifying
20 + 6(-3u + 20) = -7u + 12 + 18

Reorder the terms:
20 + 6(20 + -3u) = -7u + 12 + 18
20 + (20 * 6 + -3u * 6) = -7u + 12 + 18
20 + (120 + -18u) = -7u + 12 + 18

Combine like terms: 20 + 120 = 140
140 + -18u = -7u + 12 + 18

Reorder the terms:
140 + -18u = 12 + 18 + -7u

Combine like terms: 12 + 18 = 30
140 + -18u = 30 + -7u

Solving
140 + -18u = 30 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
140 + -18u + 7u = 30 + -7u + 7u

Combine like terms: -18u + 7u = -11u
140 + -11u = 30 + -7u + 7u

Combine like terms: -7u + 7u = 0
140 + -11u = 30 + 0
140 + -11u = 30

Add '-140' to each side of the equation.
140 + -140 + -11u = 30 + -140

Combine like terms: 140 + -140 = 0
0 + -11u = 30 + -140
-11u = 30 + -140

Combine like terms: 30 + -140 = -110
-11u = -110

Divide each side by '-11'.
u = 10

Simplifying
u = 10

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