If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1500+r+2=90
We move all terms to the left:
1500+r+2-(90)=0
We add all the numbers together, and all the variables
r+1412=0
We move all terms containing r to the left, all other terms to the right
r=-1412
| 4/5+2/15x=2/3x+4 | | (3m)/(4)-(m)/(12)=(7)/(8) | | 28x+20=x+2 | | 10.6-4y=4.2 | | 50+75=775b | | 2w^2=234 | | -1.27=y-3.4 | | -8=3t-5t | | 8=-4i+2i | | 7/10x248.50=7/10x10/7x0 | | 13=5n-3 | | (28x-2)+(10x+30)=180 | | 0=3p+p | | 3x-17=3x+33 | | 5x-13=x-5 | | 300+5d=500 | | -5=-3q+2q | | 7-x=3x-5x | | 9y/10=-8 | | 6m³m=5 | | 12.5=t÷3.14 | | -24=-2t-4t | | (5x+20)+3x=360 | | -8=3m-5m | | 1/2x+5/2x=31/2-3/2x | | 5x+4=4×-2 | | -3=-o+2o | | 248.50=7/10x0 | | 6x7=49 | | 16=-z-3z | | -20=5n | | 8n-(5n-4)=5 |