3(u-5)+4(u-25)=4

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Solution for 3(u-5)+4(u-25)=4 equation: 


Simplifying
3(u + -5) + 4(u + -25) = 4

Reorder the terms:
3(-5 + u) + 4(u + -25) = 4
(-5 * 3 + u * 3) + 4(u + -25) = 4
(-15 + 3u) + 4(u + -25) = 4

Reorder the terms:
-15 + 3u + 4(-25 + u) = 4
-15 + 3u + (-25 * 4 + u * 4) = 4
-15 + 3u + (-100 + 4u) = 4

Reorder the terms:
-15 + -100 + 3u + 4u = 4

Combine like terms: -15 + -100 = -115
-115 + 3u + 4u = 4

Combine like terms: 3u + 4u = 7u
-115 + 7u = 4

Solving
-115 + 7u = 4

Solving for variable 'u'.

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

Add '115' to each side of the equation.
-115 + 115 + 7u = 4 + 115

Combine like terms: -115 + 115 = 0
0 + 7u = 4 + 115
7u = 4 + 115

Combine like terms: 4 + 115 = 119
7u = 119

Divide each side by '7'.
u = 17

Simplifying
u = 17

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