If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7(d-3)=42
We move all terms to the left:
7(d-3)-(42)=0
We multiply parentheses
7d-21-42=0
We add all the numbers together, and all the variables
7d-63=0
We move all terms containing d to the left, all other terms to the right
7d=63
d=63/7
d=9
| 6c+13=5 | | x+x+4.5=17 | | 45-0.18x^2=0.12x^2+1.5x | | 45=0.3x(x+5) | | (6x+24)+(3x+30)=180 | | 6x+21=25 | | (8x+9)+51=180 | | 4(p+3)-9=3p+2(p+1) | | (8x-12)+(5x+18)=180 | | (3x-11)+(2x+16)=180 | | 10n+5=44 | | (1.5x+6.8=-5.2.6) | | 30x=0.0025 | | 2t+1.5=7t | | 5(10)^2x=25 | | x+0.15x=30000 | | x=180-32-43 | | x=90-36 | | x=90-63 | | x=180-57-80 | | x=180-47-62 | | x=180-42-63 | | x=180-36-56 | | 5.40=2.23+.69+.31x | | 5m-2=7m-3 | | y+36=180 | | 525*x=150 | | 1+3(r-1)=4 | | 13m+3=68 | | -3x=1/2-1 | | x+113=113 | | 1=-3x+1/2 |