If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+(X*3)=12400
We move all terms to the left:
X+(X*3)-(12400)=0
We add all the numbers together, and all the variables
X+(+X*3)-12400=0
We get rid of parentheses
X+X*3-12400=0
Wy multiply elements
X+3X-12400=0
We add all the numbers together, and all the variables
4X-12400=0
We move all terms containing X to the left, all other terms to the right
4X=12400
X=12400/4
X=3100
| X+(x*3)=1240 | | -2(w+1)=-8w-38 | | 8x-20/5=5x-26/2 | | 8=30x | | 6=-30x | | n3=6 | | 69x=1,104 | | 5x/3x+7=4x/5 | | 9=6x=2-1=2 | | 46=2(18+w) | | (x-5)(x-40)=128 | | u/7=-26 | | 9x-3=-75 | | (4x+9)+(3x+8)+(6x+7)=180 | | 3y÷4-2=14 | | 15x-33=72 | | 1x+7=6x+5 | | x^2+x+552=0 | | 6b–1=2⁄3b+11 | | y/5-16=22 | | 26=u/2+13 | | 6(3z-2)+4(z-5)=78 | | 3x+12=5x–10 | | V=π2h | | 9×+4p=6×+5p | | 7t+8=-t+16 | | 4(+m+9)=-2(m-5)+2 | | 3x+13-x=8+4x-7 | | 4x)2-9=71 | | 1.1+3/4x+2=3.1+3/4 | | 4p-22=3p-11 | | (x–3)2+2(x–3)–8=0 |