9=15-2r

Simple and best practice solution for 9=15-2r 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 9=15-2r equation:


Simplifying
9 = 15 + -2r

Solving
9 = 15 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
9 + 2r = 15 + -2r + 2r

Combine like terms: -2r + 2r = 0
9 + 2r = 15 + 0
9 + 2r = 15

Add '-9' to each side of the equation.
9 + -9 + 2r = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2r = 15 + -9
2r = 15 + -9

Combine like terms: 15 + -9 = 6
2r = 6

Divide each side by '2'.
r = 3

Simplifying
r = 3

See similar equations:

| 2B+2B+9B-12=36 | | 1=10-3w | | 3x1/2-5 | | 2b-a= | | 4(t+3)=6(t+3) | | 12V-10V-V=9 | | 6(3x+2)=12 | | 2y+3y-5y+Y=13 | | 35=8u | | y-y+y=15 | | 10u-4u-5u=7 | | -4/3×=-8= | | 12c+c-2c-9c-2=10 | | -4/3×=-8 | | 7x^2+2x=-6 | | 3m+2m+5m-6m-2=10 | | 4/3•3.14•3.1^3 | | 5r+r-r-3=17 | | 2x^3-9x^2+17=0 | | 12y-4y+y+2=20 | | 12y-4y+y-2=20 | | -6(6-x)+4=6-8(x+2) | | 13h+4h-12h+4h-1=8 | | 3(2x-5)=1-8x | | 19k-14k-3k+2=14 | | 0.15x+0.6(x-3)=0.01(2x-4) | | 9z-6z+4=19 | | f(x)=1.5 | | 14g+g-9g-4=2 | | .7x=90 | | z-z+4z+3=11 | | 14y-11y+2=11 |

Equations solver categories