-21=7(v-9)

Simple and best practice solution for -21=7(v-9) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -21=7(v-9) equation:


Simplifying
-21 = 7(v + -9)

Reorder the terms:
-21 = 7(-9 + v)
-21 = (-9 * 7 + v * 7)
-21 = (-63 + 7v)

Solving
-21 = -63 + 7v

Solving for variable 'v'.

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

Add '-7v' to each side of the equation.
-21 + -7v = -63 + 7v + -7v

Combine like terms: 7v + -7v = 0
-21 + -7v = -63 + 0
-21 + -7v = -63

Add '21' to each side of the equation.
-21 + 21 + -7v = -63 + 21

Combine like terms: -21 + 21 = 0
0 + -7v = -63 + 21
-7v = -63 + 21

Combine like terms: -63 + 21 = -42
-7v = -42

Divide each side by '-7'.
v = 6

Simplifying
v = 6

See similar equations:

| 50x=75x^2+55x^4y^5 | | Q=80-4P | | 2x+3x=16+7x | | -11x-8+3x+5-1+8x+4= | | Sin(x)=300/750 | | 150=-16x^2+80x+96 | | 11x-127=3x-7 | | 5x-1.1=-0.34x | | 4r/9=8 | | log(2)(6x+5)+log(2)(x)=0 | | 25r+42c=736 | | 73=13+5x | | 2[7x-3x]+4=28 | | 14=12x+2 | | z+2-(z-8)=0 | | 5y+4-7= | | 14=12x+2whatisx | | w-3.86=9.8 | | Y=log[(9X+9)(7X-3)] | | 3x-12(x^4-718x)=-1161 | | -8+13+4x-7-4x+8= | | -6g= | | 3x-12(x^4-718x)=-429 | | 7x^2+7=-140 | | u+4.67=7.58 | | X+3+x=40-(-2)+5x | | u+4.61=7.58 | | 10x^2+7=-3 | | X^2-16xy-36y^2= | | 3(47-5)=7 | | x(x^3+4)=10 | | Y=log(6X+4) |

Equations solver categories