7v+1=9v-1

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Solution for 7v+1=9v-1 equation:


Simplifying
7v + 1 = 9v + -1

Reorder the terms:
1 + 7v = 9v + -1

Reorder the terms:
1 + 7v = -1 + 9v

Solving
1 + 7v = -1 + 9v

Solving for variable 'v'.

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

Add '-9v' to each side of the equation.
1 + 7v + -9v = -1 + 9v + -9v

Combine like terms: 7v + -9v = -2v
1 + -2v = -1 + 9v + -9v

Combine like terms: 9v + -9v = 0
1 + -2v = -1 + 0
1 + -2v = -1

Add '-1' to each side of the equation.
1 + -1 + -2v = -1 + -1

Combine like terms: 1 + -1 = 0
0 + -2v = -1 + -1
-2v = -1 + -1

Combine like terms: -1 + -1 = -2
-2v = -2

Divide each side by '-2'.
v = 1

Simplifying
v = 1

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