11-7(2-a)=18

Simple and best practice solution for 11-7(2-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 11-7(2-a)=18 equation: 


Simplifying
11 + -7(2 + -1a) = 18
11 + (2 * -7 + -1a * -7) = 18
11 + (-14 + 7a) = 18

Combine like terms: 11 + -14 = -3
-3 + 7a = 18

Solving
-3 + 7a = 18

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 7a = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7a = 18 + 3
7a = 18 + 3

Combine like terms: 18 + 3 = 21
7a = 21

Divide each side by '7'.
a = 3

Simplifying
a = 3

See similar equations:

| 3a-(7-2a)=42 | | 7a-(5a-2)=26 | | 15a-7(a-2)-5(a-3)=21 | | 7a-4(a-2)=0 | | 8(y-6)-6(y-8)=24 | | 9(t+3)-4(t-2)=6 | | 6(t+3)+2(t-4)=26 | | X^3+x-36=0 | | (X+7)(6-X)=6 | | 75+4x=150 | | 8(y-2)=5(y+3) | | 20cosx=10 | | 6(a+3)-11=5 | | 5(t-6)=15 | | 12x-40=80 | | 3(2m+5)=33 | | 4bc-8a+2bc-a= | | 6(y-7)=12 | | 32=4(a+3) | | 4(t-5)=24 | | Y-8/8=7/8 | | 4bc-8a+2bc-9= | | -30x+54x= | | 6x-7x= | | 4Z=32 | | 5x+12=2x-21 | | Ln(6x-5)=y | | 11b=77 | | 3800=1500+x | | 2(3x-2)+2(50-x)=360 | | 3x^2-35x+42=0 | | M-8/5-2=-9 |

Equations solver categories