If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12a+4=100
We move all terms to the left:
12a+4-(100)=0
We add all the numbers together, and all the variables
12a-96=0
We move all terms containing a to the left, all other terms to the right
12a=96
a=96/12
a=8
| 7m-9=720+4m | | O.25y=2/y-6 | | 48=3•a | | 3(2x–3)=4(2x+4) | | 6/5(x+3/2)=39/5 | | 2/3x-1=2(x+7) | | -6(2e+4)=7(-e+3) | | 4x-13+2x-13+5x+19=180 | | 3.8=x/7.7. | | -5w+9w-12w=12-7-5 | | 9+1/2x=5-1 | | -4x-11=9 | | 20+4a=44 | | -7+12=-6p+7p | | 3z^2=185 | | (X-24)+68+x=180 | | -30=3f-39 | | -5-(-13)=h-15h-2h | | 1500x+5=1200x+10 | | 4.x+3.x=42 | | $1500x+5=$1200x+10 | | 6(x+3)+11=x+4 | | 3(3-e)=2e+13 | | 0.75=1/4(x-3) | | 3a+7a=12-2 | | -5x+4=10x-1 | | 2x+3(x-4)=-3+2x | | a+a+a=2-1 | | 12x+8=8x+12+4x | | 5x+5=20-5x | | 9x=0.25 | | x(x+11)=2(x^2-2x+1) |