15.7=2u-(-3.7)

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Solution for 15.7=2u-(-3.7) equation: 


Simplifying
15.7 = 2u + -1(-3.7)

Multiply -1 * -3.7
15.7 = 2u + 3.7

Reorder the terms:
15.7 = 3.7 + 2u

Solving
15.7 = 3.7 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
15.7 + -2u = 3.7 + 2u + -2u

Combine like terms: 2u + -2u = 0
15.7 + -2u = 3.7 + 0
15.7 + -2u = 3.7

Add '-15.7' to each side of the equation.
15.7 + -15.7 + -2u = 3.7 + -15.7

Combine like terms: 15.7 + -15.7 = 0.0
0.0 + -2u = 3.7 + -15.7
-2u = 3.7 + -15.7

Combine like terms: 3.7 + -15.7 = -12
-2u = -12

Divide each side by '-2'.
u = 6

Simplifying
u = 6

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