If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+9+2x+15=90
We move all terms to the left:
x+9+2x+15-(90)=0
We add all the numbers together, and all the variables
3x-66=0
We move all terms containing x to the left, all other terms to the right
3x=66
x=66/3
x=22
| 8x−9=2x+3(2x−3) | | 3(2b+4)+5(3-2b)=7-2b | | 4x-5=12x+27 | | 3^n=16 | | Vx10=17 | | 10(1-2g)=-5(2g-1) | | 5x+4=7x-6;3 | | 7-3(2x+4)=6(x-2)+3 | | 10(z+4)-4(z-2)=3(z+2(z-3) | | x85=425 | | 3x+7=2(x-5)+x | | 3x+7=(x-5)+x | | 5c-(2-3c)=54 | | 5-3x=13x-3 | | 4(y+3)=5(3+2y) | | h/12=24 | | 2(p+1)+8(p-1)=6p | | x-3/6-x25/5=4 | | p-4=5(p+4) | | 2e+2+e=5e+9 | | ⅔-¼g=⅚ | | x+25x=260 | | -2+2b=33 | | 39x-4)=18 | | x15-x=3x+11=75+-5x | | 12. 2(3x-1)=8x-20 | | XxX=225 | | a*8*2020^3+a^2*4*2020^2=4*2020^4 | | 22(a-20)=128 | | a*2=10 | | 2/3p+1/3=4/5 | | 10h-12-4h=-3+2(6h-9) |