18-7a+1=-9

Simple and best practice solution for 18-7a+1=-9 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 18-7a+1=-9 equation:


Simplifying
18 + -7a + 1 = -9

Reorder the terms:
18 + 1 + -7a = -9

Combine like terms: 18 + 1 = 19
19 + -7a = -9

Solving
19 + -7a = -9

Solving for variable 'a'.

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

Add '-19' to each side of the equation.
19 + -19 + -7a = -9 + -19

Combine like terms: 19 + -19 = 0
0 + -7a = -9 + -19
-7a = -9 + -19

Combine like terms: -9 + -19 = -28
-7a = -28

Divide each side by '-7'.
a = 4

Simplifying
a = 4

See similar equations:

| ab*8+z=16a+z | | 4(5-b)=-3b+23 | | 2290874x=yz+a | | 4x-10/2= | | -4(2x-6)-6x=3(6-4x) | | x^3-1(x)-4=0 | | 5v-12=-v-4(8+v) | | 6x+6x+4+9=6x+5+5x | | x^3-x-4=0 | | 112=6+2(5-6n) | | a+1=a+b | | 5x^2=4x+9 | | -2n+2=-(6n+2)+4 | | 3(2x-1)=2(x+4) | | a+1=ab | | a+1=a | | -16-6k=-4(4k+4) | | (9b-6)-4(2b+1)=-2 | | -16-6k=-4{4k+4) | | a+2b+c+2e=xyz^5000+20000abcdefghijklmnopqrstuvwxyz*c | | -2(2b+2)+(5b-5)=0 | | 6(7-x)=84 | | 2(x*x)-15x=8 | | 3(7x+1)=-81 | | (c+2)/35=7 | | 9y-2(y-5)=6+5y | | 132=-5(3x-8)+6x | | (5s+4)(5s-4)= | | 4x+x^2=70 | | 8-3(2x-5)=4x+3 | | 5x+(1.5x+2)+(3x-1)+(2x+4)=180 | | 15(x*x)+26x+8=0 |

Equations solver categories