If it's not what You are looking for type in the equation solver your own equation and let us solve it.
90=25x+15
We move all terms to the left:
90-(25x+15)=0
We get rid of parentheses
-25x-15+90=0
We add all the numbers together, and all the variables
-25x+75=0
We move all terms containing x to the left, all other terms to the right
-25x=-75
x=-75/-25
x=+3
| 900=z+40 | | -2(x-3)=3(2x-6) | | 5x-3(x-3)=-6+4x+9 | | 10*15x=150 | | 6(-30+1)=5(-2v-2) | | 2x-4+6x-4=8(x-2) | | 4(2x-3)/10=2x-6/4 | | 12.00+5.00m=420.00 | | -4(7+8x)=-156 | | -3x+2=9.5 | | 1=-4x+6 | | 9x-17+45+80=180 | | 2(2+x)=4(4+7) | | 5r+11+6r=11 | | 15+10x=150 | | 1/5(10x-5)=13x+6 | | -2.7q-6.2=-8.6q-2.3 | | 1/3(9c-12)=3c=5 | | x/8=3/6 | | 7(v+4)=5v+40 | | 54=z+16 | | 1/3b=13 | | 4x^{2}+20=16 | | 2/3x+12=7/8x-8 | | 3w+42=9(w+8) | | 70=10d | | -58=7(7x-4)-4(-1+8x) | | 4a+8=68 | | −4x+3=2x+8 | | 10+15x=150 | | 3d-1/2(2d-8)=-5/4(d+8 | | 6+3x=9+2.50x |