7x^2-18v-40=0

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Solution for 7x^2-18v-40=0 equation:


Simplifying
7x2 + -18v + -40 = 0

Reorder the terms:
-40 + -18v + 7x2 = 0

Solving
-40 + -18v + 7x2 = 0

Solving for variable 'v'.

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

Add '40' to each side of the equation.
-40 + -18v + 40 + 7x2 = 0 + 40

Reorder the terms:
-40 + 40 + -18v + 7x2 = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -18v + 7x2 = 0 + 40
-18v + 7x2 = 0 + 40

Combine like terms: 0 + 40 = 40
-18v + 7x2 = 40

Add '-7x2' to each side of the equation.
-18v + 7x2 + -7x2 = 40 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-18v + 0 = 40 + -7x2
-18v = 40 + -7x2

Divide each side by '-18'.
v = -2.222222222 + 0.3888888889x2

Simplifying
v = -2.222222222 + 0.3888888889x2

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