If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.06x+0.08(x+300)=80
We move all terms to the left:
0.06x+0.08(x+300)-(80)=0
We multiply parentheses
0.06x+0.08x+24-80=0
We add all the numbers together, and all the variables
0.14x-56=0
We move all terms containing x to the left, all other terms to the right
0.14x=56
x=56/0.14
x=399+0.13999999999999/0.14
| 0.06x+0.09(x+4000)=1110 | | -6(k-7)-(-7k-7)=-9 | | 0.3x+0.8(30-x)=14.5 | | (z^2-2)(z^2+7)=0 | | V=-1800t+20,000 | | 6(y-5)=2(10-3y) | | -7x–9x=96 | | 9=-u/3+12 | | -10(s+1)=-60 | | 9x+x/2=60 | | c/4–13=-13 | | 27=-9(p–4) | | 5x+x/2=60 | | 7^(3x-3)=234 | | (x-7)-(x-6)=9x | | 2/4r=8 | | -8=-2x-3x | | 44=(x+3)(2x+1) | | 12•-10^3x=14 | | 12x10^3x=14 | | 9^6x=59049 | | 5x/6-9=13-x | | 5(x+3)-4(3x-4)=3 | | 9.5x10^-6=x^2/0.325-x | | 2/3n+13=21 | | 8/x+3=4 | | X^3-4x^+x-10=0 | | 9x-5(x+3)=1 | | 7m-11=5-3(m+2) | | -6x28=4x | | -6/13=h/8 | | 14+8=3x+8x |