If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.80x+0.05(20-x)=0.10(-125)
We move all terms to the left:
0.80x+0.05(20-x)-(0.10(-125))=0
We add all the numbers together, and all the variables
0.80x+0.05(-1x+20)-(0.10(-125))=0
We add all the numbers together, and all the variables
0.80x+0.05(-1x+20)+12.5=0
We multiply parentheses
0.80x-0.05x+1+12.5=0
We add all the numbers together, and all the variables
0.75x+13.5=0
We move all terms containing x to the left, all other terms to the right
0.75x=-13.5
x=-13.5/0.75
x=-18
| 7+u+15=55 | | i-7-9=2 | | e+12=78 | | 3.8+d+1.2=20 | | 7y-10=y+10 | | 9.5+r=19 | | a+12.8=87.8 | | p+92=128 | | c+12=72 | | 9x-63=9 | | -21=3j-6 | | 1/8x-7=3 | | 3/4x=12/13 | | X=48/3x | | 9-2x=10=3x | | r/8=11 | | x-52=-20 | | (6/x-5)=(4/x)+(3/2x) | | 5^(1-4x)=7 | | 4x=9,000-2x | | 9/272y=27/8 | | 1/2x+1/5=-5(2/3x+3) | | 4x-8-7x=3 | | 1/x-2=4-x | | 6x+3=3x−9 | | 12=2(y+3)-4) | | X^3-x^2-x-14=0 | | x+(x-6)+(x+8)=62 | | 2+17(9×8)=5a-6a | | 56=12x-10+49x-56 | | 14u-25=-20u-12 | | 4(x+7)=2+4x |