If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12r-5r=14
We move all terms to the left:
12r-5r-(14)=0
We add all the numbers together, and all the variables
7r-14=0
We move all terms containing r to the left, all other terms to the right
7r=14
r=14/7
r=2
| 40=2x=8=90 | | 10−3k=1 | | 4(4x-7)=+11x | | 5.5m+3=1.5m+15 | | -5b^2=3b | | 25x-30=24x+15+x | | 4u+10=14 | | X+2x=9+6 | | m4-3=1 | | 2=z3−2 | | 25x-30=24x+15x | | m4− 3=1 | | -7y+2y=-1 | | q4− 2=1 | | -2.8+0.4x=4.4 | | 10+11x=87 | | -3(4-2x)=15-3x | | -5+w/2=9 | | 8x-(x-5)=6x+9 | | 1/2*4a+10=2a+ | | 6+5=2x-7x | | -6+7k=36 | | 1/n+3=7 | | 4(x+3)+5x=30 | | 1*1+10=+10x | | 4=y/3-11 | | 3/5x-9=-24 | | 15s+s-7s+-3s+-15s=16 | | 2a+3(22-3a)=31 | | (4x+17)(2x+7)=180 | | (y+38)+(3y+12)+106+84=180 | | 16=1/2(4(3+b2) |