3.x+15=-21

Simple and best practice solution for 3.x+15=-21 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 3.x+15=-21 equation: 



3.x+15=-21

We move all terms to the left:

3.x+15-(-21)=0

We add all the numbers together, and all the variables

3.x+36=0

We move all terms containing x to the left, all other terms to the right

3.x=-36

x=-36/3.

x=-12

See similar equations:

| 5.x+3=33 | | |x-7|=3x+5 | | 9m+7=11 | | 5x+3=4x5x+3=4x,5x5x | | 40+1x=42+1x | | 3​(x−4​)+18=2​(x+5​) | | 3x=8-6x-19 | | t+14=49 | | x^2+2x+168=0 | | r-66=4 | | p-15=45 | | 6x+4=2(3x-1) | | -19+2z=-12 | | 3x+30-10=-2x | | 5x−15=12x+6 | | 5 | | 3x-8=2x-6=98 | | -4(x-6)=-12x+8 | | 107-41=x | | (3)=15x-8 | | 3/2x-5-4/x+3=0 | | s-91=5 | | 55+55=3x+7 | | 147=3(1+6p | | z+17=71 | | w-16=10 | | x+4+x+6=x-7 | | 6/6b+7=2/6-7 | | 5x+3÷x=2 | | 175*0.22=x*0.02 | | 175x0.22=x | | 5^(3x+1)=12^x |

Equations solver categories