49=3u+4u

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Solution for 49=3u+4u equation:


Simplifying
49 = 3u + 4u

Combine like terms: 3u + 4u = 7u
49 = 7u

Solving
49 = 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.
49 + -7u = 7u + -7u

Combine like terms: 7u + -7u = 0
49 + -7u = 0

Add '-49' to each side of the equation.
49 + -49 + -7u = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -7u = 0 + -49
-7u = 0 + -49

Combine like terms: 0 + -49 = -49
-7u = -49

Divide each side by '-7'.
u = 7

Simplifying
u = 7

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