If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13q-4q-8q+q=4
We move all terms to the left:
13q-4q-8q+q-(4)=0
We add all the numbers together, and all the variables
2q-4=0
We move all terms containing q to the left, all other terms to the right
2q=4
q=4/2
q=2
| -0.5x+14=-20 | | -9x-3=12x+39 | | 35+(2x+1)=360 | | X-1/2x-2=0 | | 6(5x-5)=13x | | x+(2x)+(x+12)=180 | | -9(x+3)=8 | | 3x*2x-4=0 | | 15h-14h=7 | | 172=2.754l+71.475 | | 8^2+x^2=13^2 | | 2w+4(w-10)=2 | | 49=1/2(x*2x) | | 8d-11d=14 | | 3(1y+2)=3 | | 15=75÷x* | | 3(4b−2)=−6+12b | | 10=3+b-2 | | 2r-10=-120 | | 10u-6=7-3u | | 98x2-50=0 | | x2-8x+33=0 | | -2f-4f-8=-3f+9 | | 2q^2+3q–2=0 | | v=0.075*220 | | v=0.075*220Ω | | (x+3)(x+3)=x-3(16+x-3) | | 98x250=0 | | 5+x−4=1 | | 9p-3p+2=8p | | (4x+1)+(4x+1)=180 | | 49=1/2(x+2x) |