-0.4=0.7u+0.5u

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Solution for -0.4=0.7u+0.5u equation:


Simplifying
-0.4 = 0.7u + 0.5u

Combine like terms: 0.7u + 0.5u = 1.2u
-0.4 = 1.2u

Solving
-0.4 = 1.2u

Solving for variable 'u'.

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

Add '-1.2u' to each side of the equation.
-0.4 + -1.2u = 1.2u + -1.2u

Combine like terms: 1.2u + -1.2u = 0.0
-0.4 + -1.2u = 0.0

Add '0.4' to each side of the equation.
-0.4 + 0.4 + -1.2u = 0.0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -1.2u = 0.0 + 0.4
-1.2u = 0.0 + 0.4

Combine like terms: 0.0 + 0.4 = 0.4
-1.2u = 0.4

Divide each side by '-1.2'.
u = -0.3333333333

Simplifying
u = -0.3333333333

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