If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x^+x=42
We move all terms to the left:
x^+x-(42)=0
We add all the numbers together, and all the variables
2x-42=0
We move all terms containing x to the left, all other terms to the right
2x=42
x=42/2
x=21
| |7p+5|+6=67 | | (9-3x)–12x= | | (2r-3)^=289 | | (2x)+(7x)+(x)=180 | | (2r-3)=289 | | Y=-1x+-1000 | | 18=2b-8 | | 8+12z=4(2+3) | | 4m^=72 | | 4x1=2x+3 | | 1=50x | | (15-2x)/3=2x-3 | | Y=-1/8x+1 | | x=7/4-3/4×19/17 | | 4x²+8=9 | | 5^x=240 | | 5t-14=21/2 | | x^-196=0 | | 2x-4÷3=12 | | 9.2^x=4.3^x+8 | | 135÷2p=6 | | 3a-10=-1 | | 9a+50=5 | | 5a+48=8 | | c2+c-1=0 | | 8/17=3x+5 | | 5a+30=5 | | 15·17x=13 | | 2.7m=54 | | 2.7m=64 | | y÷y=y | | 1517x=13 |