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

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


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

Reorder the terms:
-3 + 5u = -7(u + -3)

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

Solving
-3 + 5u = 21 + -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.
-3 + 5u + 7u = 21 + -7u + 7u

Combine like terms: 5u + 7u = 12u
-3 + 12u = 21 + -7u + 7u

Combine like terms: -7u + 7u = 0
-3 + 12u = 21 + 0
-3 + 12u = 21

Add '3' to each side of the equation.
-3 + 3 + 12u = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 12u = 21 + 3
12u = 21 + 3

Combine like terms: 21 + 3 = 24
12u = 24

Divide each side by '12'.
u = 2

Simplifying
u = 2

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