7(u-5)-3u=-15

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Solution for 7(u-5)-3u=-15 equation:


Simplifying
7(u + -5) + -3u = -15

Reorder the terms:
7(-5 + u) + -3u = -15
(-5 * 7 + u * 7) + -3u = -15
(-35 + 7u) + -3u = -15

Combine like terms: 7u + -3u = 4u
-35 + 4u = -15

Solving
-35 + 4u = -15

Solving for variable 'u'.

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

Add '35' to each side of the equation.
-35 + 35 + 4u = -15 + 35

Combine like terms: -35 + 35 = 0
0 + 4u = -15 + 35
4u = -15 + 35

Combine like terms: -15 + 35 = 20
4u = 20

Divide each side by '4'.
u = 5

Simplifying
u = 5

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