How do you solve -7= \frac { v } { 3} - 117=v311?

2 Answers
Dec 19, 2016

v=12v=12

Explanation:

Solve -7=v/3-117=v311.

Add 1111 to both sides.

-7+11=v/37+11=v3

Simplify.

4=v/34=v3

Multiply both sides by 33.

12=v12=v

Switch sides.

v=12v=12

Dec 19, 2016

v=12v=12

Explanation:

color(white)(a^1)-7=v/3 -11a17=v311

color(white)a+11=color(white)(aa)+11color(white)(aaa)a+11=aa+11aaaAdd 11 to both sides

color(white)(aaa^1a)4=v/3aaa1a4=v3

color(white)(a^1a)3*4=v/3 *3color(white)(aaa)a1a34=v33aaaMultiply both sides by 3

color(white)(a^1a)3*4=v/cancel3 *cancel3

color(white)(aa^1aa)12=v