Simplify: 19 + (-47).
A-28
B28
C-66
D66
Answer & Solution
Correct answer: A. -28
1. The two numbers 19 and -47 have different signs.
2. Subtract the smaller absolute value from the larger: 47 minus 19 equals 28.
3. Since -47 has the larger absolute value, the sum takes the negative sign, giving -28.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.3 Add and Subtract Integers_
Related questions
Simplify by combining like terms: 3x squared + 7x + 9 + 7x squared + 9x + 8.Is zero a positive number or a negative number?Add: 37 + (-53).Simplify: 30 divided by 5, plus 10 times (3 minus 2).The saying "Please Excuse My Dear Aunt Sally" helps students remember what?List the multiples of 9 and the multiples of 12. What is the first number to appear on botFind the prime factorization of 80.Check 4,962 with the divisibility tests for 2, 3, 5, 6, and 10. Which complete list of tho