If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13x+2.5=8.5
We move all terms to the left:
13x+2.5-(8.5)=0
We add all the numbers together, and all the variables
13x-6=0
We move all terms containing x to the left, all other terms to the right
13x=6
x=6/13
x=6/13
| 4.5=f-6.3 | | 10=0.15x-2.61 | | (3x+12)+78+(x+10)=180 | | x-3/8=2/5 | | (8x+18)=2 | | 343^3x+4=7^x-12 | | 15-2^x=10 | | (3n-9)(2n+12)=0 | | B=8×3.14×f | | 63/9=a | | 2(3n-4)=5n-8-2n | | 4(s+3)=3s-16+s | | 28=-4x+16 | | 7/3×4/k=-28/39 | | 5x+14+109+109=180 | | 2x2+16x+0=0 | | 5x-7=x+13+12 | | 2x^2+-16x+8=0 | | 0.5(2x-1)-2.5=0.04(x+5 | | 2x2+-16x+32=0 | | -8v-6+7=-7v-12 | | 25(5^2m/2)-125^m=0 | | -5(3k-11)=7-15k | | -19w=17w+8(-5w-11) | | 114+3x+12=180 | | -20-7r=-4+20r-16 | | 115/7=a | | 3x+2(13.95-3x)=13.95 | | 9(-2n+2)=-18n+18 | | 48=a÷8 | | 4(x+9)=7(x+1)+2 | | 80/7=a |