x = 1 because -7(3x + 4) must be -49 so 3x + 4 must me 7 so x = 1
Answer:
By flipping the second fraction (finding its reciprocal) we change the equation mathematically. In order to maintain the equation mathematically, we must turn the division question into a multiplication question.
Step-by-step explanation:
Answer: 22
Step-by-step explanation:
4 - (-18) = 4 + (+ 18) = 22