7a-2(a+9)=6

Simple and best practice solution for 7a-2(a+9)=6 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-2(a+9)=6 equation:


Simplifying
7a + -2(a + 9) = 6

Reorder the terms:
7a + -2(9 + a) = 6
7a + (9 * -2 + a * -2) = 6
7a + (-18 + -2a) = 6

Reorder the terms:
-18 + 7a + -2a = 6

Combine like terms: 7a + -2a = 5a
-18 + 5a = 6

Solving
-18 + 5a = 6

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 5a = 6 + 18

Combine like terms: -18 + 18 = 0
0 + 5a = 6 + 18
5a = 6 + 18

Combine like terms: 6 + 18 = 24
5a = 24

Divide each side by '5'.
a = 4.8

Simplifying
a = 4.8

See similar equations:

| -4x-4=-25+3x | | 3(n+4)=.5(6n+4) | | x/7-6=5 | | k/4+2=5 | | 4q-2(q-5)=-7+5q-7 | | -16+6v=-2(1-13v)-14 | | 5(k-2)-(8k)=-34 | | 7(4)+6/(-2) | | -7(-10-2x)=-84 | | -12+4v=8 | | -2/5x=-3/4 | | 2(3p+5)+p=13-2p+15 | | 4/18*8 | | -8+3x+6x=1 | | -3d+5d+10=0 | | 7x-9=4c | | Y+10=x | | -8=-4/9x | | 14-3n=-22 | | 7/2x+1/2x=4x+9/2+9/2x | | 5(4x+1)-12x=2(4x-2) | | 4(2x+3)=-44 | | (x+3)*3=(x-23)*7 | | 3y-3+y+17=7y+20-5y | | x-9=-7+3 | | 8/36(4/4) | | 7+14x-2=9x+17-7x | | -8=4/9x | | 3-x+6x=-12 | | 6(x-0.8)-0.2(5x-4)=2 | | 16/51x3/10 | | 2T=5P/S |

Equations solver categories