If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+15+5x=75
We move all terms to the left:
x+15+5x-(75)=0
We add all the numbers together, and all the variables
6x-60=0
We move all terms containing x to the left, all other terms to the right
6x=60
x=60/6
x=10
| 4y+1+2y-5=38 | | 8=3-4(x-3) | | 12=9x-60-3X | | 3×n=2 | | x+36=35 | | 3×n=1 | | 3t=–42 | | Jx5=95 | | 6(3x-1)=x-(5-4x) | | -1x+4=0 | | y-15=80 | | 0.625(6d+24)=6(d-1)+1 | | x^2+72+-17*x=0 | | x^2+72-17x=0 | | 8=-2(10+k) | | 2(-8+4x)=-48 | | 3(w-2)=2w+2-5(-3w-2) | | 18)−17x=−204 | | 13-14x=6x+9 | | 9+3S=7s-3 | | 2(3-8x)=-18x-42 | | 4.2+10m=8.85 | | y-32=- | | -3(5y-8)+8y=5(y+8) | | 3a+-25=11a-+2a | | 3x-7x=8x | | 2(x+1)=5x+4-3x | | 2.5x=19.3 | | 6(u-7)-7=-7(-3u+8)-u | | X^2-15x-364=0 | | 4x-16+3x-8=116 | | x*x*x+3*x*x-10*x+30=0 |