7a-a=18

Simple and best practice solution for 7a-a=18 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-a=18 equation: 


Simplifying
7a + -1a = 18

Combine like terms: 7a + -1a = 6a
6a = 18

Solving
6a = 18

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '6'.
a = 3

Simplifying
a = 3

See similar equations:

| y^2-22y-120=0 | | 2a^2x^2-6ax=-5 | | 2j+8j=20 | | (4x^2-27)=(3x^2-6x) | | 25=9+20 | | 6x+90=-9x | | 4t-9t=10+5 | | f(x)=ln(9x+4) | | 2(h+195)=969 | | 3x+49=6x-14 | | 2cos^2(15)-1=0 | | h=5+60(3)-2304 | | 3=t/10 | | 2cos^2(15)=0 | | 21=-w/5 | | s(t)=-16t^2+128t+340 | | 5x=3+7 | | 11=2t-3 | | x^2+2y^2+x+3y-5=0 | | 6a+19=-5 | | T+1=16 | | 90X=35 | | 11=2r-3 | | 4(2y)=7(y+2) | | 72=12+5x | | -3(7-3x)=-93 | | 4(x+10)+x=2(x+5)2 | | 6y-(3y+9)=7 | | 2x+9=5x+65 | | x-(x*0.05)=730 | | 8(7n-1)=104 | | S+2=9.5 |

Equations solver categories