How many solutions does the equation $18+3x=3x-16$18+3x=3x−16 have?
No solutions
One solution
Infinitely many
How many solutions does $10+3x=3x+2\times5$10+3x=3x+2×5 have?
How many solutions does the equation $8x-4x=4$8x−4x=4 have?
How many solutions does the equation $x+8=x+6$x+8=x+6 have?