21(u+16)=840

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Solution for 21(u+16)=840 equation:


Simplifying
21(u + 16) = 840

Reorder the terms:
21(16 + u) = 840
(16 * 21 + u * 21) = 840
(336 + 21u) = 840

Solving
336 + 21u = 840

Solving for variable 'u'.

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

Add '-336' to each side of the equation.
336 + -336 + 21u = 840 + -336

Combine like terms: 336 + -336 = 0
0 + 21u = 840 + -336
21u = 840 + -336

Combine like terms: 840 + -336 = 504
21u = 504

Divide each side by '21'.
u = 24

Simplifying
u = 24

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