If it's not what You are looking for type in the equation solver your own equation and let us solve it.
.07x+.15(20000-x)=2500
We move all terms to the left:
.07x+.15(20000-x)-(2500)=0
We add all the numbers together, and all the variables
.07x+.15(-1x+20000)-2500=0
We multiply parentheses
.07x-0.15x+3000-2500=0
We add all the numbers together, and all the variables
-0.08x+500=0
We move all terms containing x to the left, all other terms to the right
-0.08x=-500
x=-500/-0.08
x=+6250
| .07x+.15(20000-x)=2000 | | -4y=7+9 | | 3(x-6)4+11=15 | | -13a=260 | | 8/n=40/15 | | 2+3c=-2(-2c+6)) | | 2+3c=-2(-2c+6)) | | 2r+1.9=1.9 | | 5n+1=1+6n | | 0.07x0.04(6,000.00x)=360.00 | | 180=7x+91 | | 0.04x0.07(6,000.00x)=360.00 | | 7x+91=180 | | 0.07x0.04(6,000.00x)=360.00 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 | | 7x+91=180 |