4r-7r=15

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


Simplifying
4r + -7r = 15

Combine like terms: 4r + -7r = -3r
-3r = 15

Solving
-3r = 15

Solving for variable 'r'.

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

Divide each side by '-3'.
r = -5

Simplifying
r = -5

See similar equations:

| 7(2)-8=6 | | -2x(-6)= | | x^2-14x+74=0 | | -2*(-6)= | | 5-6m=2 | | x^2-2x+7=0 | | -8(8)+7y=15 | | -42-10x=9x+15 | | x+83=91 | | 368x-4.9x^2=1456 | | 5p=3c+6 | | y-13=-36 | | 9d+10=7 | | X^2+7x+16=4 | | 7-8z=0 | | 300-30x=-150 | | 300-30x=120 | | 3t-2=0 | | 3x^2+7=0 | | -3x+19=19 | | 8x^2+16=0 | | -5x-30=0 | | (17b-8)-4(4b+4)=-7 | | 9-4x=0 | | 7x-(6x+4)=1 | | 1.20k+2.50=27.70 | | (2x+3)(x-4)+(2x+3)(x-6)=0 | | (2u+5)(3-u)=0 | | b^2+5b-4b=-6 | | 4x^2-1x-2=0 | | -100+18x=44 | | -6y+1=-7y+4 |

Equations solver categories