3+-7a=-18

Simple and best practice solution for 3+-7a=-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 3+-7a=-18 equation: 


Simplifying
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:

| x-y-10=40 | | X^1/5=7 | | 7/12N=1/2 | | 7(x+21)=111 | | s=1/5(73-40) | | 65=w-40 | | 5x-7/10=8 | | 6x+1x=10 | | x^2+9x+9x+81=x^2+7x+7x+49+x^2 | | 200+7x=100-2 | | 5d-8=22 | | 3x+2y+11x-2=-4y | | 1.5w=w | | 2x+2=x+53 | | W=1.5w | | 0.04=9 | | 3m=3m+6 | | 297=3x^2+6x | | 14.9-9.5= | | 3x^2-7=47 | | y=1+x^2 | | 4x+3=7x+1 | | 2x-26=x+11 | | 3.2d=12.8 | | 297=(x+2)(x+3) | | 0.75(x-12)=12 | | .30-75x=x+.20 | | 4(x+12)=108 | | ln(1-cos((6x)^1/8) | | (x+6)*(x+8)=400 | | f(x)=25x+300 | | 4.8-12=3.4x-5 |

Equations solver categories