What is the answer to -1+10v+3=-5+9v ?

The answer to -1+10v+3=-5+9v is v=-7

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-1+10v+3=-5+9v

- 1 + 10 v + 3 = - 5 + 9 v

v = - 7

Solution steps

- 1 + 10 v + 3 = - 5 + 9 v

Group like terms

10 v - 1 + 3 = - 5 + 9 v

Add/Subtract the numbers:

- 1 + 3 = 2

10 v + 2 = - 5 + 9 v

Move

2

to the right side

10 v = 9 v - 7

Move

9 v

to the left side

v = - 7

3 x - 5 = x + 3

x, 3 x + y = 11

x, x y + x + y = 2020

x, x y - 1 = 0

b, A = \frac{1}{2} h (b + b)