Answer:
Step-by-step explanation:
x = last month
y = this month
y = 2x + 7
y = 43
43 = 2x + 7
43 - 7 = 2x
36 = 2x
36/2 = x
18 = x <== he sold 18 gym memberships last month
Serch here app (socratic) in system ios
The answer is 200 because 100x2 is 200
Answer:
Step-by-step explanation:
392/275 as a fraction
Answer:
x = -10
Step-by-step explanation:
expand
simplify 36 - 4.5x + 36 to -4.5x + 72
simplify 102 - 7.5x - 60 to -7.5x + 42
add 7.5x to both sides
simplify -4.5x + 72 + 7.5x to 3x + 72
subtract 72 from both sides
simplify 42 - 72 to -30
divide both sides by 3
simplify 30/3 to 10
Answer: x = -10
