If it's not what You are looking for type in the equation solver your own equation and let us solve it.
100+200+(0.3x)=x
We move all terms to the left:
100+200+(0.3x)-(x)=0
We add all the numbers together, and all the variables
(+0.3x)-x+100+200=0
We add all the numbers together, and all the variables
-1x+(+0.3x)+300=0
We get rid of parentheses
-1x+0.3x+300=0
We add all the numbers together, and all the variables
-0.7x+300=0
We move all terms containing x to the left, all other terms to the right
-0.7x=-300
x=-300/-0.7
x=428+0.40000000000003/0.7
| 7x+39=10x | | 9x+12=10x+2 | | 5x+16.5=13.6+10x | | m6;m=18 | | -19c-8=-17c | | -6(x+4)=-4x-2 | | -2-6(3-2x)=16 | | 5(n-5)+3(n-2)=25 | | -4b-8=-2b=6 | | 3/4h=75 | | 4(2x+9)+3x=6-4(x-3) | | 829+x=800 | | 3c-10=4c | | 64+2x+4+3x-13=180 | | 4(7c-8)=-28 | | b/4=23 | | –4(s+5)=–4 | | 22x+6=7x+0 | | 41+-0.5Y+y=80 | | –4(s+5)=–4 | | 180-(50+80+25)=x | | -2x+-10=6 | | -3(c+17)=-3 | | 0.5(2d−6)=18 | | 12x+24=316 | | 2(3x-1)+5x=31 | | 20x²-x-1=0 | | r^2+45=45 | | 180-(65+90)=x | | 7(x-3)+3=7x+7 | | 3(4x+5)=-40+7 | | 3x+x+58=180 |