If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x+5+2x+10=30
We move all terms to the left:
3x+5+2x+10-(30)=0
We add all the numbers together, and all the variables
5x-15=0
We move all terms containing x to the left, all other terms to the right
5x=15
x=15/5
x=3
| 2m+5=47 | | 4x+11-3x-6=180 | | 35/28=h/12 | | F(x)=5x–40F(7)= | | 1. F(x)=5x–40F(7)= | | y=-4+0.6 | | -18x-19=55 | | 10x+68°=6x | | 2x+5= 3x+103x+10 | | −1=x9 | | 100+6p=160+10p | | x-4+5=12 | | 7-1/2x=121 | | 0=5x-3x | | 7x+1/2=121 | | 7+1/2x=121 | | 2x+8+x+22=190 | | 0.25x0.15=0.75 | | 6b-5+3b=2b-12 | | 5y=1+y | | 2x+39=9x+24 | | -13=-3x+8 | | (X^2)/0.52-x=(1.1*10^-8) | | 1.50x-0.25=20.00 | | `2x+8=-3.5x+19` | | 3x+5=5×+17 | | 3^2x*2^x=1/18 | | -17x-18=154 | | -17x-18=156 | | p/19+8=10 | | 7=8x-30 | | (5t+6)=180 |