If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7m=-2.1
We move all terms to the left:
7m-(-2.1)=0
We add all the numbers together, and all the variables
7m+2.1=0
We move all terms containing m to the left, all other terms to the right
7m=-2.1
m=-2.1/7
m=-2.1/7
| 2(u+6)-8u=36 | | x/10=17/3 | | 28+x+113=180 | | 3d-6=5d+80 | | 10=1-x | | F(x)=3x^2-15 | | x+3+10=9 | | X^3-6x+x^2=0 | | 8x2+4x-16=0 | | -26-12x=14 | | 4x+6+(6x+4)=90 | | -10=9x-8 | | x+2*3-x=0 | | 7m+2=-12 | | 89x+1=-88 | | x/9=14/15 | | x+1+(3x+1)=90 | | 5a-12=11 | | 1/2(-1.4+0.4)=m+0.2 | | 3/h=+1/2 | | 1/2x+2/3x=1/3x-3/2 | | 3(d+1)=12 | | 2/5+x=5/7 | | 3x+21=7x+4 | | 3x−3=2187 | | x^2+10x+5200=0 | | 210=15^x | | 43=2v+17 | | 1/3(x=3)=-9 | | h−h+2h+2=16 | | 2(x=4)=8 | | 5(t+1)=10 |