If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+5X=400
We move all terms to the left:
X+5X-(400)=0
We add all the numbers together, and all the variables
6X-400=0
We move all terms containing X to the left, all other terms to the right
6X=400
X=400/6
X=66+2/3
| 9p+4=-31 | | x/3=1/2=3/4 | | (8-y)(4y+3)=0 | | 7(4x-9=26 | | 7(4x-9=26= | | 27x-72=9(3x-8) | | 2.5(y+0.4)=-13 | | 2x=19=83 | | 46x+58=46x+66 | | 2x-16=92 | | 1/2(2-4x)=13-2x | | -6+7a=63 | | 2x^2–11x+12=0 | | 2x2–11x+12=0 | | 50(6)=x | | 3=10-14x | | 2x=20=82 | | 2(14x-5)+2(12x+7)=160 | | y=27-3(6) | | y=27-3(5) | | y=27-3(3) | | y=27-3(1) | | 6(x-1)=3x-6 | | 2w+10=w+28 | | 2v+10=v+30 | | (3x+7)+(4x-1)+(8x+2)=68 | | 6x=9x-24 | | 750-55x=0 | | -00.6(x-3)-x=8 | | 4w=2w+34 | | 5+4y=-19 | | 10x-3(5-x)=15 |