7r-3=15+4r

Simple and best practice solution for 7r-3=15+4r 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 7r-3=15+4r equation:


Simplifying
7r + -3 = 15 + 4r

Reorder the terms:
-3 + 7r = 15 + 4r

Solving
-3 + 7r = 15 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-3 + 7r + -4r = 15 + 4r + -4r

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

Combine like terms: 4r + -4r = 0
-3 + 3r = 15 + 0
-3 + 3r = 15

Add '3' to each side of the equation.
-3 + 3 + 3r = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 3r = 15 + 3
3r = 15 + 3

Combine like terms: 15 + 3 = 18
3r = 18

Divide each side by '3'.
r = 6

Simplifying
r = 6

See similar equations:

| d+e+f=g | | 2x+8=4x^2 | | 4x+4=-26 | | 8y-25=5+2y | | -7(x)=-21 | | 12-5w=-4w-3 | | 12x^5-12=0 | | 3(x)=72 | | 4x^2+x-360000=0 | | x+(.2x)=220 | | 2X+9+2X+1+90=180 | | 2x+3+(-3x)-(-3)-x= | | X=3.12 | | 4(2x-10)=12x+10 | | (4x+4)=108 | | 7x+7y+8z=4 | | 456(5y+-34)=65-12 | | Ify=8x+7 | | 24-5y=7y | | x^2(0.16x+55)=1395 | | (3x+6)+(5x+4)=12x | | 4x-33=59 | | h=5+29t-16t^2 | | -9+9y+7-6y= | | (5x-1)=124 | | y=1-0.00006105x+0.00000773x^2 | | 13x-15=21y-1 | | m(x)=(3x-1)(3-x) | | -3(x+5)=35 | | 18s+7=115 | | x^2-(5x)-6=0 | | 18+5x=83 |

Equations solver categories