If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15+7.5x=90
We move all terms to the left:
15+7.5x-(90)=0
We add all the numbers together, and all the variables
7.5x-75=0
We move all terms containing x to the left, all other terms to the right
7.5x=75
x=75/7.5
x=10
| 36÷x2=1 | | Y=4x-6=0 | | -b=-99 | | 6*x=72 | | 125m-75m+38600=39850 | | 36-11=x+1 | | x+15+12=48 | | 7+x+9=33 | | 180+6g=0+8g | | 0.7x=12.2 | | Y=4x+6=0 | | 55,000+2,500g=62,000+2,000g | | 125m-75+38600=40000-150m | | X-4x+10x=14 | | 12.50+.40g=14.75+.25g | | -8r+3=-3r+2(-6+5r) | | w^2+3w=28 | | s=1600 | | -4(k+6)=-k-21 | | s=690 | | 3x=3²x-1 | | 294=195-v | | (9x+10)(136)=180 | | v+12(v+4)=9 | | 25-3a=-7(a+1) | | 5^2y-1=60 | | s=300 | | (-6+x)^2-26=-x^2 | | 36-3v=-8(v-7) | | 3x+5=5×-8 | | 2(-7n+4)-5n=8n+8 | | 2(m+3)=−12 |