If it's not what You are looking for type in the equation solver your own equation and let us solve it.
14x-18+13x=90
We move all terms to the left:
14x-18+13x-(90)=0
We add all the numbers together, and all the variables
27x-108=0
We move all terms containing x to the left, all other terms to the right
27x=108
x=108/27
x=4
| -45=4c-1 | | 3(x-4)=-2(4-8) | | ((3x)/2+4)+(2x-(55/2)=180 | | 2=-w-11/6 | | 6a–7=35 | | -4=z-3/2 | | 5d-7-d=+4= | | -34=-5k+7k | | 4/5a-9/4=a+19= | | 1/2x+11=20 | | 16x+3=6x+1=4x+18 | | 16x+3+6x+1=4x+18 | | 3x+2-2x=×+2 | | 16x+3+6x+1+4x+18=180 | | B=40.25-0.10x | | 9(x+6)–10=53 | | 4/5a-9/4=a+19 | | 20x-13+11x-24+6x+10=180 | | 2=y-6/2 | | 15=y/5+13 | | (-6x+74)-8=-x+31 | | -3(-1+9x)–7(-12x+1)=1+10x-11-6x | | 77=-10t-3 | | (7x-9)+14=10x-7 | | 13z-2=-3 | | 5(x+4)–15=-5(x–1) | | 4x12=60 | | 10x+18=-2x-6 | | 2(4a+7)=15-9a | | 15+9=6x | | 9d2-16=0 | | (4y-24)+(2y+8)=180 |