If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10a-4a-2a-2a=12
We move all terms to the left:
10a-4a-2a-2a-(12)=0
We add all the numbers together, and all the variables
2a-12=0
We move all terms containing a to the left, all other terms to the right
2a=12
a=12/2
a=6
| −2x2+x+4=0 | | 220+.15x=307 | | -7x-77=-13x+115 | | 220+.25x=307 | | 4j-3j=9 | | -3p=p=10(p-6) | | 11v-10v=15 | | 16p-14p=12 | | 4x+2*6x=84 | | 5x-6+5x-4=140 | | x+0,6=1,3 | | 2^x-1=4x | | 6^x-8=36^x-18 | | 8x=2/39x+6 | | (7-6y)=3y×4-47 | | 8x+6(x–1)=3(4x+1) | | 4y-80=5y | | x-8=2x-36 | | Y=300x+76.64x | | 2(12x-10)+3x=67 | | X/(x+5)=6/10 | | 1-3-2x/4+5/6=(2-3x)/10-29/60 | | x+51+80+50=180 | | Y=300(5)+76.64+x | | 180-x=2(x-180)-6 | | -29=-2+9(y-5) | | |-8x-4|=0 | | 4x-8=2x-4+3x | | 4/7x+5=-19 | | Y=300x+76.64x=25 | | 36/6=b | | 2x^2+7x-364=0 |