7r+3=4r-12

Simple and best practice solution for 7r+3=4r-12 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=4r-12 equation: 



7r+3=4r-12

We move all terms to the left:

7r+3-(4r-12)=0

We get rid of parentheses

7r-4r+12+3=0

We add all the numbers together, and all the variables

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:

| 0.5x-(0.5x*0.33)-((0.5x*0.33)*0.25=12 | | 3/4=-1/2e-7-1/4e | | 11=33/b | | -8x=4x-1 | | 16x^2+50x+1000=0 | | 117649=7^3x | | 0.25x+1+0.5x+5=24 | | 4/7(21/8x+1/2)=-2(1/7-28/5x) | | 2/3=(9c+12) | | 18-4a=26 | | 8(x-15)=72 | | 3x-(4x-5)=25 | | 5u^2+6=-13 | | 2*7y+5=-9 | | 1/2*|2x-1/3|=3/4 | | 5x+45=12+4x | | y=20+70·(0.3)^3 | | x²-3x-4=0 | | 1/2+x=6/7 | | −14b=−1 | | 1/2•|2x-1/3|=3/4 | | 127(2x+41)=180 | | 8(3x-6)=4(6x+1) | | 9*x-3)=63 | | 1/3b+4=1/2 | | 2x/5=18/15 | | 0.25x+1+0.05x+5=24 | | n+23=19 | | 19/14x+4/7=9/7x | | 3(×-5)+16=2(x+4) | | 3x+8=28-6x | | 13=1x |

Equations solver categories