21-3x=66

Simple and best practice solution for 21-3x=66 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 21-3x=66 equation: 


Simplifying
21 + -3x = 66

Solving
21 + -3x = 66

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -3x = 66 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 66 + -21
-3x = 66 + -21

Combine like terms: 66 + -21 = 45
-3x = 45

Divide each side by '-3'.
x = -15

Simplifying
x = -15

See similar equations:

| -108+11x=x+132 | | 3+3(a-7)= | | -2(1+7n)=-86 | | -8(u+1)=-6u-2 | | 10x-5=6x+2 | | 3x+10=7-4x | | 7(b+4)=63 | | K-279=-5k-9 | | -x+6y=24 | | -6m=55.2 | | 4/5(3x–y)4 | | V-(4)=-1 | | 6x=5y+30 | | 45=-9(x+8) | | =6(a-b)-5(2a+4b) | | 24+4=-93 | | 24x+26=50 | | x^2+4=3x | | 3y=-4x-8 | | 44-3x=17x | | 15x+6=66 | | -3=x/11 | | 8v-8=48 | | 36+15x=17x+36 | | 4+r=2 | | =-n+9n+3-8-8n | | 1/5y-4=8 | | 80-4x=32 | | g(x)=x^2-6x-19 | | (5x+1)(3x-2)= | | .5=g/2 | | -2p+18-4p=60 |

Equations solver categories