If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21+1x=28
We move all terms to the left:
21+1x-(28)=0
We add all the numbers together, and all the variables
x-7=0
We move all terms containing x to the left, all other terms to the right
x=7
| -1+46=116-11x | | 7x^2+57x+10=2 | | p-4=-22 | | 15+x=53 | | 12x=7(x+5) | | 4m-3/5=5m+2/12=9 | | 4(x-9)+x=4 | | 22+x=13 | | 4^-x+20=8^x | | -3/4y=-1 | | 3x-2+5x=3x-12 | | 7(5+x)=12x-10 | | p4=22 | | 2=f4-1 | | 64+b2=324 | | 12=3–3x | | 6(5g+6)=30g | | -25=v-8 | | X-{(.30)(x)}=350 | | (26y+12)=(26y-12) | | 22+13=x | | 0.01x=6 | | 90^2+120^2=x^2 | | 14=38–z | | 3a–11/2=-32a+25/2 | | 11+6x-14=2(3x-5)+21 | | 4.8x5.1=24.48 | | x+126=214 | | 2x-12+4=9x+15 | | 5(5-2n)=85 | | t-302=532 | | (-3x+46)+(11x-12)=90 |