If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x+(3x+2))*x=112
We move all terms to the left:
(x+(3x+2))*x-(112)=0
We move all terms containing x to the left, all other terms to the right
(x+(3x+2))*x=112
| x*7-36=118 | | x+(3x+2)*x=112 | | t/6+7=9 | | 24-5x=12+x | | 12y^2+8y-20=0 | | 34-5(p-2)=5 | | x+2=6x−18 | | 13x+13=-31-8x | | 14-2c^2-3c=0 | | 7+4(t-3)=25 | | F(x)=3x^2+4x-6 | | 7.3n=58.4 | | 10y+8=3 | | 20s+33=93 | | 3n+4=29 | | 5^(x+1)+4/(5^x)-21=0 | | 13=a-7.4 | | (8x-3)(2+x)+(8x-3)(x-7)=0 | | 3k2=8k+8 | | -31+x=14 | | 100-20x+x^2=4x^2 | | 3(2x-4)=2(x-10) | | 7÷x-6=3 | | 10x^2-7=13 | | 42=3/2w | | 5x+40=2x-15x-1 | | 5.3x+14.9=4x+27.9 | | 5.3 x+14.9=4x+27.9 | | 11x+29=5x+95 | | x-0.12x=10 | | 32=x-2x | | 10x=+5 |