2(9u+8)+7v-1=40

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Solution for 2(9u+8)+7v-1=40 equation: 


Simplifying
2(9u + 8) + 7v + -1 = 40

Reorder the terms:
2(8 + 9u) + 7v + -1 = 40
(8 * 2 + 9u * 2) + 7v + -1 = 40
(16 + 18u) + 7v + -1 = 40

Reorder the terms:
16 + -1 + 18u + 7v = 40

Combine like terms: 16 + -1 = 15
15 + 18u + 7v = 40

Solving
15 + 18u + 7v = 40

Solving for variable 'u'.

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

Add '-15' to each side of the equation.
15 + 18u + -15 + 7v = 40 + -15

Reorder the terms:
15 + -15 + 18u + 7v = 40 + -15

Combine like terms: 15 + -15 = 0
0 + 18u + 7v = 40 + -15
18u + 7v = 40 + -15

Combine like terms: 40 + -15 = 25
18u + 7v = 25

Add '-7v' to each side of the equation.
18u + 7v + -7v = 25 + -7v

Combine like terms: 7v + -7v = 0
18u + 0 = 25 + -7v
18u = 25 + -7v

Divide each side by '18'.
u = 1.388888889 + -0.3888888889v

Simplifying
u = 1.388888889 + -0.3888888889v

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