Which equations have one solution? A: 1/3x + 3 = 26 + 6/18x - 23
B: x + 3 + 3x = -3 + 4x + 6
C: (1/5 + 1/4x) - 2x = x - 1
D: 2(4x + 3) + 2x = 5(2x + 3)
Pls help, math is my worst subject.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?