xa+r=7

Simple and best practice solution for xa+r=7 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 xa+r=7 equation: 


Simplifying
xa + r = 7

Solving
ax + r = 7

Solving for variable 'a'.

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

Add '-1r' to each side of the equation.
ax + r + -1r = 7 + -1r

Combine like terms: r + -1r = 0
ax + 0 = 7 + -1r
ax = 7 + -1r

Divide each side by 'x'.
a = 7x-1 + -1rx-1

Simplifying
a = 7x-1 + -1rx-1

Reorder the terms:
a = -1rx-1 + 7x-1

See similar equations:

| n=-30.804+-3.5n | | 4x+9=2x-15 | | 18-6x=42 | | -7(x+8)=21 | | 0.5b+2=(b+2) | | 8m^3n-32m^2n^2+24mn=0 | | -6x-2=3x+1*3x+1 | | -3xy(4x-3y-1)= | | x/4+1=x/4 | | 4(3x+y)-2(x-5y)= | | 5*8(x+4)=30 | | 7b+13=97 | | 4-3y=2(y+4) | | 3a+17=59 | | 16(x+6)=4(4x) | | 7x-3(x-2)=30 | | 2x^2+14x=60 | | X+18+3x+20=90 | | 4x+29=105 | | .6x-.1x=12 | | 3+4v=-21 | | 9x^2-5=607 | | 4(6-9)= | | 7(5+c)=6(c-4) | | 5+4x-x-2+6x= | | 5x+3x=7x-5 | | 5x+4-68=34-8x | | 3x^2+13xy-10y^2=0 | | 2x^2-38=0 | | 3(-3)+2y=13 | | 6m(n+1)= | | 4(x-6)=18-3x |

Equations solver categories