7a+3a=2a-4

Simple and best practice solution for 7a+3a=2a-4 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 7a+3a=2a-4 equation:



7a+3a=2a-4
We move all terms to the left:
7a+3a-(2a-4)=0
We add all the numbers together, and all the variables
10a-(2a-4)=0
We get rid of parentheses
10a-2a+4=0
We add all the numbers together, and all the variables
8a+4=0
We move all terms containing a to the left, all other terms to the right
8a=-4
a=-4/8
a=-1/2

See similar equations:

| 29(a+7)-7=9 | | -5=x÷2 | | -3+7x=42-6x | | n2*7=-196 | | 625+10f=20 | | (6x-2)+20=90 | | n-6=7n-3 | | x3=36 | | 4/7x+1/3x=38 | | x2=-11x-10 | | 6z^2+9z+3=0 | | z2–z–6=0 | | 7n+2=-196 | | 6x-(3x+5)=154 | | 4x+65=10x+5 | | -2.5x=-4 | | 3x^=3,993 | | 6(6x+7)=-30 | | 3r-5=-48+40r | | 5x-1=25x-32 | | -0.69x+0.49x=5.2 | | -3v-8=-5v | | 4x+65=10×+5 | | 2b−9=-b−6 | | -14.9=y/8-2.1 | | -3u+(-7)=23 | | 2y/3-2y/6=10 | | 36x+42=-30 | | (x–8)(5x–6)=0 | | 6x^2+x-5=-4 | | X2+y2=49 | | 5x-3/x=0 |

Equations solver categories