-5u+8(u-5)=-19

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Solution for -5u+8(u-5)=-19 equation:


Simplifying
-5u + 8(u + -5) = -19

Reorder the terms:
-5u + 8(-5 + u) = -19
-5u + (-5 * 8 + u * 8) = -19
-5u + (-40 + 8u) = -19

Reorder the terms:
-40 + -5u + 8u = -19

Combine like terms: -5u + 8u = 3u
-40 + 3u = -19

Solving
-40 + 3u = -19

Solving for variable 'u'.

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

Add '40' to each side of the equation.
-40 + 40 + 3u = -19 + 40

Combine like terms: -40 + 40 = 0
0 + 3u = -19 + 40
3u = -19 + 40

Combine like terms: -19 + 40 = 21
3u = 21

Divide each side by '3'.
u = 7

Simplifying
u = 7

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