If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+1.25x+0.8x=1900
We move all terms to the left:
x+1.25x+0.8x-(1900)=0
We add all the numbers together, and all the variables
3.05x-1900=0
We move all terms containing x to the left, all other terms to the right
3.05x=1900
x=1900/3.05
x=622+2.9/3.05
| 25000x^2+20000x=-4000 | | (2x−7)−(x+8)=15 | | 0.5z+4=5÷1.2z+6=3 | | x=2x2−2x+1 | | x=14-2x | | 10x+3=7x-3 | | (2x-3)÷4=(x+5)÷3 | | 0.2x+0.9x=0.11x+2.07 | | 6y+5=9y-19 | | 3x+7/2x-4=13/6 | | (2x-1)/4+(x-1)/5=2 | | 3(2y-2)=y+4 | | (8a-1)-2a=124 | | 7x-2/5=15 | | 12-4x+x=0 | | -3/4x+12=-6 | | 11+a=33 | | 2a+7=3a+4= | | 2x=4−2x | | -x-(3+4x)=3-3(5,33-2x) | | A=12/4x7 | | 42=2x/17 | | x+(x+200)+2(x+200)=3320 | | n=n(n-3)/2 | | n=n(n-3) | | 0=x^2+5x-64 | | 3x-1/6=6-x-1/3 | | 2-3x²+9x=0 | | 0,6666666x+2=1,166666666-0,166666666x | | 3/4x-1/2=5/12x | | 3/4x-1/2=5/12 | | x2+5x-90=0 |