45u+2=5u-97-21

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Solution for 45u+2=5u-97-21 equation:


Simplifying
45u + 2 = 5u + -97 + -21

Reorder the terms:
2 + 45u = 5u + -97 + -21

Reorder the terms:
2 + 45u = -97 + -21 + 5u

Combine like terms: -97 + -21 = -118
2 + 45u = -118 + 5u

Solving
2 + 45u = -118 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
2 + 45u + -5u = -118 + 5u + -5u

Combine like terms: 45u + -5u = 40u
2 + 40u = -118 + 5u + -5u

Combine like terms: 5u + -5u = 0
2 + 40u = -118 + 0
2 + 40u = -118

Add '-2' to each side of the equation.
2 + -2 + 40u = -118 + -2

Combine like terms: 2 + -2 = 0
0 + 40u = -118 + -2
40u = -118 + -2

Combine like terms: -118 + -2 = -120
40u = -120

Divide each side by '40'.
u = -3

Simplifying
u = -3

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