If it's not what You are looking for type in the equation solver your own equation and let us solve it.
.35t=280
We move all terms to the left:
.35t-(280)=0
We move all terms containing t to the left, all other terms to the right
.35t=280
t=280/.35
t=800
| 17=-8+p | | x+(49+74)=180 | | -5+b=10 | | 3.4x-2.15=4 | | 8y=–10+10y | | 5x+4(3x-18)=132 | | -8x+3=32 | | 0.3a=-9 | | 5d+3.3=7.5 | | 4r^2+2r+9=0 | | 3x+3x+2x+2x=56 | | x17=2 | | 4(a–13)=–20 | | 3x+3x+2x+2x=92 | | 5×(a+3)=60 | | 3×9=(87÷h)÷9 | | (2x+)(3x-5)=0 | | 7(x-2)=6x-1 | | 72=3uu= | | 14/18.2=8/x | | –4=d2 | | 2|3x+2=21|3 | | 0.9(6.3x)=4.5 | | 6.3x-0.9=4.5 | | 0.9x6.3=4.5 | | -9/14x+18=-2/3x+17 | | X2=9/64;x= | | 12=w/4-9 | | 5(g-2+g=6(g-4) | | -2x+21=2x-3 | | (1/27)^2d-2=81(d+4) | | 7(a-3)+6=34 |