3+21=7-4a

Simple and best practice solution for 3+21=7-4a 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+21=7-4a equation: 



3+21=7-4a

We move all terms to the left:

3+21-(7-4a)=0

We add all the numbers together, and all the variables

-(-4a+7)+3+21=0

We add all the numbers together, and all the variables

-(-4a+7)+24=0

We get rid of parentheses

4a-7+24=0

We add all the numbers together, and all the variables

4a+17=0

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

4a=-17

a=-17/4

a=-4+1/4

See similar equations:

| 180=3x+40+x | | 8+7=11w | | 180=3x+40+0 | | 2v-4v=-10 | | 1/5x+4=-4/5x | | 27a^+8=0 | | 1¾=-¼+w | | 12=x-4+x | | 6x-(8x+4)=3x-44 | | 3u+3+2u=5u-5+5 | | 9/10=m9/100 | | 16=5x-8+x | | H+2(11-h)=-5 | | -161=-7(7+2b) | | 1/5w-5/4=-5/3 | | 3(x-4)+x-7=4x=9 | | 5x=-7x+1 | | m=-1+3 | | 36-3y=-2y-18 | | m=-1=3 | | (x+12)3=-5+2x | | -6/7=1/3x-1/2 | | 17=x-3+4x | | 2+8x=7x-7 | | 16x-16=4( | | 3y-8=7y+12 | | -7=1-4x-4x | | 8x+7=8x+3 | | x/2-17=3 | | 18x+36÷2=-24 | | d+(−5.004)=2.826 | | q-5=15-3q |

Equations solver categories