If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4x-8.1=-2x+1.9
We move all terms to the left:
-4x-8.1-(-2x+1.9)=0
We get rid of parentheses
-4x+2x-1.9-8.1=0
We add all the numbers together, and all the variables
-2x-10=0
We move all terms containing x to the left, all other terms to the right
-2x=10
x=10/-2
x=-5
| x(3x-3)=126 | | 3.99+x=18.43 | | m/8+3=-9 | | 6x-4+9x=28 | | 10(y-40)=100 | | 3x+60=4x | | 3x+5=-8x-11 | | (x+16=(4x-5) | | 2,1x+3=2,4x+2,4 | | 5(2x+6)=8(x-40) | | 3/3b+4=2/b=4 | | (-2/3)(15x+3)=-3x-9 | | 2x+7.5=62 | | 48x^-1-48x^-1=0 | | 32n=-256 | | 5x+15-3x=7 | | 11c=-12c-13 | | 30+2w=8w | | R(x)=x^2+x-90/x^2-x-72 | | 3x-20=9x+11 | | (3x)-8-(2x)=0 | | 3x-4=2×+9 | | y=21+7 | | 9(z−4)=9(z−4)= 99 | | 3n=15.3 | | 6–y=-8 | | 24=81/c | | 10x+5=7x+25 | | -9a-4a=13 | | 15x+8x-2=360 | | -14k−12=-k−18−12k | | 10y=13+11y |