If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12.1-0.9z+2.3-1.2z=7-2.1z-7.2
We simplify the equation to the form, which is simple to understand
12.1-0.9z+2.3-1.2z=7-2.1z-7.2
We move all terms containing z to the left and all other terms to the right.
-0.9z-1.2z+2.1z=+7-7.2-12.1-2.3
We simplify left and right side of the equation.
z=-14.6
0=-14.6
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
| 2299=11*11 | | 4x^2-16x=15 | | 2299=11*11*l | | 3v/v=v | | 14+7d+2d-8=16d+14-7d-8 | | 5y+3y-18=5y+5-3 | | 5x-1+2x=-22 | | 8y-18=5y+2 | | 1.2(z+4)-(6.6+0.2z)=-8+2 | | -16x+48=0 | | 5m^2n^3(mn^2)(4m-n)= | | (4.8x+15.5)+(2.1x-12.2)= | | 9n-6=81 | | 33r^2+38r-8= | | -2/3+3/4 | | (2x^2)(7x^4)= | | -2/3-3/4 | | -7x-4(-6x+3)=175 | | 2x+6=15+x | | 2(x+8.00)=34.00 | | y^2+0.5y+0.0625=0 | | 2(2x+5)=14 | | 4d-3=2(d-6) | | 14-2w=12w-21 | | 15y^2-19y+4= | | 2m+4+3m=14 | | 11(-3a+3b-3c)-9(3a-7b+3c)= | | 7x+4=3-(5x-6) | | 5(x-2)+3=-2 | | 14x-(3+7x)= | | a/5=-17 | | 14-w/8=3w-21 |