2u-7=5(3-u)-1

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Solution for 2u-7=5(3-u)-1 equation:


Simplifying
2u + -7 = 5(3 + -1u) + -1

Reorder the terms:
-7 + 2u = 5(3 + -1u) + -1
-7 + 2u = (3 * 5 + -1u * 5) + -1
-7 + 2u = (15 + -5u) + -1

Reorder the terms:
-7 + 2u = 15 + -1 + -5u

Combine like terms: 15 + -1 = 14
-7 + 2u = 14 + -5u

Solving
-7 + 2u = 14 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-7 + 2u + 5u = 14 + -5u + 5u

Combine like terms: 2u + 5u = 7u
-7 + 7u = 14 + -5u + 5u

Combine like terms: -5u + 5u = 0
-7 + 7u = 14 + 0
-7 + 7u = 14

Add '7' to each side of the equation.
-7 + 7 + 7u = 14 + 7

Combine like terms: -7 + 7 = 0
0 + 7u = 14 + 7
7u = 14 + 7

Combine like terms: 14 + 7 = 21
7u = 21

Divide each side by '7'.
u = 3

Simplifying
u = 3

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