Patricia simplified the following math statement. What did she do wrong? Show the correct answer and explain your reasoning (picture)

Find the value of x for which line a is parallel to line b

What is 140% of 25? because i need

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?