# Math

posted by .

Mary was given an equation: 6x+22=30.
She subtracted 22 from 22 and got 6x=30.
What was the mistake mary made?

• Math -

She didn't subtract 22 from 30.

## Similar Questions

1. ### Ethics

Mary who is a minor is in the operating room when Dr. Paul finds a tumor that they did know about before time is very limited in which to remove the tumor (if not removed Mary will die with in a few hours Mary's mom is in the waiting …
2. ### physics

Mary needs to row her boat across a 120 m -wide river that is flowing to the east at a speed of 1.4 m/s. Mary can row the boat with a speed of 2.0 m relative to the water. 1. How long does it take Mary to reach the opposite river bank …
3. ### math

Mary's test grades were 81, 89, 86, 86, and 84. Mary's teacher recorded one of her grades incorrectly. Instead of an 89, Mary's second test score should have been a 55. Which measure(s) of central tendency are affected by this change?
4. ### math

Mary's test grades were 77, 85, 77, 82, and 80. Mary's teacher recorded one of her grades incorrectly. Instead of an 85, Mary's second test score should have been a 58. Which measure(s) of central tendency is NOT affected by this change?
5. ### physics

Mary is standing at a place such that she makes an angle of 42° to the right of the normal of a mirror. Where should Mary's mom stand so that she can best see Mary's reflection in the mirror?
6. ### Microeconomics

Mary's utility function is U(b,c)= b+ 100c - c^2. b takes up 1 sq ft and c takes up 4 sq ft. a) if Mary has only 144 sq ft, how much of c would she grow?
7. ### English

1. They believe that Mary lives in Chicago. 2. Mary is believed to live in Chicago. -------- 3. They think that Mary lives in Chicago. 4. Mary is thought to live in Chicago. -------- 5. They know that Mary lives in Chicago. 6. Mary …
8. ### P6 maths

40% of Amy's stamps is equal to 75% of Mary's stamps. After Mary has given 25% of her stamps away , Amy has 90 more stamps than Mary. Find the total number of stamps they have at first
9. ### Algebra

Mary is 15 years older than her niece Katie. In 10 years Mary is two times as old as Katie. How old are Mary and Katie now?
10. ### Psychology

While talking to Jim, Mary recalled that his birthday tomorrow. Mary wished him a happy birthday. What type of memory did Mary exhibit?

More Similar Questions