If it's not what You are looking for type in the equation solver your own equation and let us solve it.
.30x+100=40.x+50
We move all terms to the left:
.30x+100-(40.x+50)=0
We get rid of parentheses
.30x-40.x-50+100=0
We add all the numbers together, and all the variables
-39.7x+50=0
We move all terms containing x to the left, all other terms to the right
-39.7x=-50
x=-50/-39.7
x=1+7.92307692308/30.5384615385
| 12+-1.6y=5+0.3y | | -6(17+x)=-8 | | 6=9u-3u | | 2x-74=x-61 | | 1/2(x-5)=1/2(x+6) | | q/4-2=6 | | 12x+6=8×+10 | | -f-4=-5 | | 4q-15=9 | | 63=x+3x+4x+5x-4x | | -4x-16=-5-15x | | 3x-40=2x+12 | | -50(x-1)=40 | | -(f–4)=-5 | | 19-2u=3 | | 6+5+4f=6f–1 | | -5(1+x)=0 | | 4x2=−28 | | 4y-9=9 | | 6x+1=6x+8-3 | | 19.50x+100.00+234.00=821.50 | | 2u-10=2 | | 2-(4÷5)w=(7÷15)w+(1÷5) | | 4p-26/4=5 | | 1(3x-1)=48/6 | | 2x-4(x-3)=-6+5x-31 | | 4+7/2=3/4x | | -5d–20=-d+16 | | Y=-7/2x+4 | | 6-2y=y | | 2(10-4x)=-2(6+2x) | | 25+4x=57 |