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

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


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

Reorder the terms:
7(-3 + 2u) + -1(u + 3) = 5u
(-3 * 7 + 2u * 7) + -1(u + 3) = 5u
(-21 + 14u) + -1(u + 3) = 5u

Reorder the terms:
-21 + 14u + -1(3 + u) = 5u
-21 + 14u + (3 * -1 + u * -1) = 5u
-21 + 14u + (-3 + -1u) = 5u

Reorder the terms:
-21 + -3 + 14u + -1u = 5u

Combine like terms: -21 + -3 = -24
-24 + 14u + -1u = 5u

Combine like terms: 14u + -1u = 13u
-24 + 13u = 5u

Solving
-24 + 13u = 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.
-24 + 13u + -5u = 5u + -5u

Combine like terms: 13u + -5u = 8u
-24 + 8u = 5u + -5u

Combine like terms: 5u + -5u = 0
-24 + 8u = 0

Add '24' to each side of the equation.
-24 + 24 + 8u = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 8u = 0 + 24
8u = 0 + 24

Combine like terms: 0 + 24 = 24
8u = 24

Divide each side by '8'.
u = 3

Simplifying
u = 3

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