If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21=-0.6m
We move all terms to the left:
21-(-0.6m)=0
We get rid of parentheses
0.6m+21=0
We move all terms containing m to the left, all other terms to the right
0.6m=-21
m=-21/0.6
m=-35
| 3=x+32/7 | | 9f-8=10f | | b+90=135 | | 9f-8=f | | 4n+16+3n+24=180 | | t/7=1 | | 10f=8-9f | | 8x-7+1=90 | | a-6=-25 | | 35x=175+20x | | -7=-13-b/8 | | (X-1/3)+(x+5/8)=-2 | | 76=-4(a-10) | | x^2+26x+225=0 | | 4/3=x+10/15 | | 3(m-19)=-6 | | 64x+19=72 | | -2/3(x+5)=-1/8(x+2/5) | | 19=9-2n | | n+23=15 | | 4x+10=24x | | 2t=7t+10 | | -v/7=-48 | | -2=n+10 | | 6x+17=-22 | | 20t−12t=16 | | 2x+4=5(-4-2x | | 8x^2=-640 | | B+1.5(b+2)+15=(2b-9)+90 | | 48y-7y=-8y-42 | | 9x^2-14x-15=0 | | 3x+1/4-3x=7 |