If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7.5x+25=400
We move all terms to the left:
7.5x+25-(400)=0
We add all the numbers together, and all the variables
7.5x-375=0
We move all terms containing x to the left, all other terms to the right
7.5x=375
x=375/7.5
x=50
| 125x+80€=1980€ | | 4n-2=-13 | | -2v2-v+12=-3v2+6v | | 10x-4(-10x/4-6/4)=-6 | | |5x-18|=-3x-2 | | -2k+6=3k-19 | | 10-3x=x-15 | | 9x-7=6×-4 | | 2x+11+5x=32 | | 5t-8=t+12 | | 8(x-4)=88x= | | 4/25*t=725 | | -3(x+3)-8=6-4x | | 1317+t=29 34 | | 3xY+26=Y+58 | | X/2+3x+x=45 | | 3w+17=w+19 | | x/2+23=32 | | 106-6x=39x+21 | | 5x+3-x+7+4x=90 | | 2.7+3(−x+6.3)+x=2.7+3(−x+6.3)+x= | | 5t-13=21 | | 5t-13=24 | | 16n2-114n=-14 | | 39m-12m+14-18m=256-657m-60m | | -5e+21=-4 | | 5(a+3)=4(a-2) | | 5(a+3)=a(a-2) | | -4+1.3=5x+1.9 | | 5(3x-2)=35+35 | | 15−5x=−10 | | -6x-39=-7x-4.1 |