7(3a+7)=-21+6a

Simple and best practice solution for 7(3a+7)=-21+6a 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(3a+7)=-21+6a equation: 



7(3a+7)=-21+6a

We move all terms to the left:

7(3a+7)-(-21+6a)=0

We add all the numbers together, and all the variables

7(3a+7)-(6a-21)=0

We multiply parentheses

21a-(6a-21)+49=0

We get rid of parentheses

21a-6a+21+49=0

We add all the numbers together, and all the variables

15a+70=0

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

15a=-70

a=-70/15

a=-4+2/3

See similar equations:

| p-0.3p=30.76 | | 9x+4=12+8x | | z=(-19)=6 | | x+90-x=90 | | 12345678910x987654321=1 | | 29+10x=-18x-91 | | 5x-3+7x=45  | | 28-75y=42 | | 3x+3x=100+69 | | (b-4)/6=b-2 | | 4,5x-8=4 | | 8+5x=2x+3(x+1) | | 270=110-v | | -27+x=2x+37 | | 5y+X=108 | | 5y+X=107 | | 2x+8/3+17=21 | | 7x+6-3x+2=52 | | (5x+2)-7=2+x | | -7+7=19-3x | | 10-2(3-4x)=17-x | | 0.4x-12=0.1+9 | | 4x-35+x+10=180 | | 90=4x-14 | | 19.5=6.5(n) | | a/22=9 | | -45×h=32 | | 2(x+17)=3x-x+2 | | 20=3+q/5 | | x^2/0.1-x=1.74x10^-5 | | 95-y=227 | | 4|3s-3s+2/3-1/3s= |

Equations solver categories