5(u+5)=7u+15

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Solution for 5(u+5)=7u+15 equation:


Simplifying
5(u + 5) = 7u + 15

Reorder the terms:
5(5 + u) = 7u + 15
(5 * 5 + u * 5) = 7u + 15
(25 + 5u) = 7u + 15

Reorder the terms:
25 + 5u = 15 + 7u

Solving
25 + 5u = 15 + 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.
25 + 5u + -7u = 15 + 7u + -7u

Combine like terms: 5u + -7u = -2u
25 + -2u = 15 + 7u + -7u

Combine like terms: 7u + -7u = 0
25 + -2u = 15 + 0
25 + -2u = 15

Add '-25' to each side of the equation.
25 + -25 + -2u = 15 + -25

Combine like terms: 25 + -25 = 0
0 + -2u = 15 + -25
-2u = 15 + -25

Combine like terms: 15 + -25 = -10
-2u = -10

Divide each side by '-2'.
u = 5

Simplifying
u = 5

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