7a-13=15

Simple and best practice solution for 7a-13=15 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-13=15 equation: 


Simplifying
7a + -13 = 15

Reorder the terms:
-13 + 7a = 15

Solving
-13 + 7a = 15

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + 7a = 15 + 13

Combine like terms: -13 + 13 = 0
0 + 7a = 15 + 13
7a = 15 + 13

Combine like terms: 15 + 13 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

See similar equations:

| 6n+3-12=12n | | 14-2r=r-7 | | 14-2r=-7 | | X(x-1)(x-2)=3360 | | 17-9(x+4)=3x-26 | | 1/3(x+6)=-1 | | 6n+3=-12+12n | | 6-7x=170-35x | | 2x+6(x-3)=2x-6 | | x/(4)=13 | | 2v^2+5v+1=0 | | -12k=(-60) | | x/(4)=3 | | 2(-2x+1)=-x+-2x+18 | | -7x-8+4x=10 | | (-6x-1+4x^2)(4x^2)=0 | | 10x(x)=6 | | (.75*n)-18=(.25*n)-4 | | x+9-7+3x= | | 3x+3=114 | | 7x-5.1-1.3x-3.5x-2= | | x-3/2+x+8/3=29 | | -1/2z-1=4/3 | | 3(2x+1)=x-17 | | -1+4x-x=17 | | 19=x(2x+4) | | 5(2y-1)=-32 | | 19=x+(2x+4) | | 5x+2(11-4x)=13(3c-2) | | -2x+8x-4x=0 | | 8x+6-2x=-5x-13+x | | 80=1.2y+68 |

Equations solver categories