Answer:
3x - 20 = 13
Step-by-step explanation:
1. The word is signals the equal sign.
The difference of three times a number and 20 = 13
2. The word difference signals subtraction.
3. The phrase a number sigals that the number is unknown, so a variable should be used. In this case, I'll use x.
4. Three times that number = 3x.
The difference = subtraction.
3x-20=13
Answer:
789
.5 is a 5 or larger so the 8 goes to a 9
Step-by-step explanation:
180 ÷ 1.5 = 120
Check your answer - 120 × 1.5 = 180
Final answer: 120 miles.
They didn’t distribute the -1 (which is the “-”) correctly into the numbers in the parentheses. After distributing correctly, step 1 should be
8a+3+5a-2a
Hope this helps :)
Answer:
Walking and doing exercises
