-15=4r-7r

Simple and best practice solution for -15=4r-7r 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 -15=4r-7r equation: 



-15=4r-7r

We move all terms to the left:

-15-(4r-7r)=0

We add all the numbers together, and all the variables

-(-3r)-15=0

We get rid of parentheses

3r-15=0

We move all terms containing r to the left, all other terms to the right

3r=15

r=15/3

r=5

See similar equations:

| 6.8x-1.1=19.3 | | 2(2t+4)=3.4(24-8t) | | -34=4K+8k | | 3u^2-4u-4=0 | | 5+5(x-6)=4-9(x-6) | | (x^2+11x+10)(x^2+9)=0 | | 2x^2+3x=44 | | 12•7x=-45 | | 5h+8-7h=-24 | | 13a+6(2a-3a-7)=0 | | -2c+5+4c=31 | | 12x7x=-45 | | -x^2+2x-5=06x/x+6x/x | | 3÷x+6=-45 | | 11=5x−2 | | W-2+2w=3w+1 | | -4s-9+6=26 | | 8.3+x=14.3-x | | 8=1/4x | | n(2n-1)=144 | | 15(x^-3)=10(x^-2) | | 2^x-3+2^x+3=260 | | 2^x-3+2^x+3=206 | | 20(3)+5=x | | 17x+34+19x+24=180 | | -3x^-15x+72=0 | | -5(x-3)=40+88+80 | | x2-18x=-45 | | 81(16/25)^(x+2)÷(3/5)^(2x+4)=144 | | -1=0.3x^2-x-8 | | 7x+5x+3+9=7x+4+4x= | | 5-8x=(-15) |

Equations solver categories