3Q-21=18

Simple and best practice solution for 3Q-21=18 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 3Q-21=18 equation: 


Simplifying
3Q + -21 = 18

Reorder the terms:
-21 + 3Q = 18

Solving
-21 + 3Q = 18

Solving for variable 'Q'.

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

Add '21' to each side of the equation.
-21 + 21 + 3Q = 18 + 21

Combine like terms: -21 + 21 = 0
0 + 3Q = 18 + 21
3Q = 18 + 21

Combine like terms: 18 + 21 = 39
3Q = 39

Divide each side by '3'.
Q = 13

Simplifying
Q = 13

See similar equations:

| 5-n=-n+5 | | 8x^2-9x-2=0 | | 85.2=-6.8m-7.5(1.2-3m) | | 3m^2+27=0 | | 22-3a=-8(8-5a) | | 7=3+2k | | 3e+12=27 | | 8x+1=-8x | | 2.25c=5.8 | | -11x-10y=-25 | | a-bx=cx | | cos(8x+1)=sin(x-10) | | 3v(v-7)(v-3)=0 | | 8+2x+9=x+13 | | 3b-6-8b-4= | | 72=X+23 | | 2x^3-x^2+2x+1=0 | | 3(x+5)=14 | | vx+w=3findx | | 20+x=44 | | X=0.288 | | 5(t-7)=3t-2 | | 0.25x+x=349 | | -6(-2)(-7)(-5)= | | 4.2q-4.1-5.9q=.7q-4.1 | | 19=x-50 | | y=40x+600 | | 6x^2+22-40=0 | | -X^3+6x^2+11x+6=0 | | 4b^3+5b+7b+b-6b= | | 2+w^5=17 | | 2x^2-y=9 |

Equations solver categories