-4.2=-0.7u+0.1u

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Solution for -4.2=-0.7u+0.1u equation:


Simplifying
-4.2 = -0.7u + 0.1u

Combine like terms: -0.7u + 0.1u = -0.6u
-4.2 = -0.6u

Solving
-4.2 = -0.6u

Solving for variable 'u'.

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

Add '0.6u' to each side of the equation.
-4.2 + 0.6u = -0.6u + 0.6u

Combine like terms: -0.6u + 0.6u = 0.0
-4.2 + 0.6u = 0.0

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 0.6u = 0.0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 0.6u = 0.0 + 4.2
0.6u = 0.0 + 4.2

Combine like terms: 0.0 + 4.2 = 4.2
0.6u = 4.2

Divide each side by '0.6'.
u = 7

Simplifying
u = 7

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