7(2a+6)=21+4a

Simple and best practice solution for 7(2a+6)=21+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 7(2a+6)=21+4a equation: 



7(2a+6)=21+4a

We move all terms to the left:

7(2a+6)-(21+4a)=0

We add all the numbers together, and all the variables

7(2a+6)-(4a+21)=0

We multiply parentheses

14a-(4a+21)+42=0

We get rid of parentheses

14a-4a-21+42=0

We add all the numbers together, and all the variables

10a+21=0

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

10a=-21

a=-21/10

a=-2+1/10

See similar equations:

| 360=73+81+47+43+(x+24)+x | | −0,5(x−2,5)2+2,5=0 | | 8a+1=17 | | 7-5(3x-4)=3-(2x+5) | | x*5+10=x*6 | | 5u-16=2u+17 | | (E^(-2z))=1 | | 4a+20=8 | | 256=n2 | | (E^(-2z)=1 | | 4n=121/5-37 | | 6.4x=-0.032 | | 9x-4=3x-16=180 | | 5x+6=2x1 | | x=-1225 | | 16+2a=20 | | 4n+12/1/5=37 | | 28=-6-12+2w | | 5x-20+3x-9x=-12+30+8x | | 28=-6w-12 | | x/6-3=14 | | x+26+x=189 | | 6x+10+6x-10+8x+20=180 | | 4v2-54=-5 | | 6y+39-y=3 | | -3/4x=9/11 | | 4x+7=7(x-1)-3x | | 9/12=x/30 | | 5x−2x=7x+2x−24 | | 3x+2=76 | | y−14=63 | | 10x2.5-4(2.5+2)+3x=5(3-x) |

Equations solver categories