If it's not what You are looking for type in the equation solver your own equation and let us solve it.
14a-12=30
We move all terms to the left:
14a-12-(30)=0
We add all the numbers together, and all the variables
14a-42=0
We move all terms containing a to the left, all other terms to the right
14a=42
a=42/14
a=3
| 60+60+(-12+9x)=180 | | 4*x-32=0 | | 90+45+8x+21=180 | | 0.33=(40-x)/x | | 36+2-3x+46=180 | | 99+37+(-x-5)=180 | | 1/5x+6=9 | | 18x+4=17x+4 | | -x+20+(-10x)=70-6x | | 11+19+4x=5x+2 | | 3x^2-3x=270 | | 11x+7=7x+55 | | 2x²-14=36 | | 18/x=24/16 | | -56=-y/5 | | x5x−7=19 | | 225=x+16×x | | 3+x/5=65 | | 3+x/5=56 | | 13=x/5-15 | | 6(x+2)+5=13-2+6x | | 4(x+3)-4=7(0.5x+1) | | 3x+5=5x-69 | | X+2/3x=60 | | x/8+2=6 | | (-16)/b=-4 | | 15/b=-5 | | b/(-3)=4 | | 5a=-5 | | 9m-6=47 | | 15x+27=20x=17 | | -1+2x=-4+23 |