Answer: multiply 10 to both terms and subrtact products
Step-by-step explanation:
10(5 - 2x)
multipy 10 to both terms
50 20x
subtract products
50 - 20x
Answer: y = 3
Step-by-step explanation: You're given x, find y.
- -2(-3) + 3y = 12 (substitute in for x)
- 6 + 3y = 12 (multiply)
- 3y = 9 (divide both sides by 3)
- 3 = y
In 1 hour, Antoine travels 1.75 mi by dividing 5.25 by 3. So, after lunch, he hiked 4 hours. 1.75 times 2 is 3.5 mi every hour after lunch. So, 3.5 times 4 is 14 mi. + 5.25 is 19.25 mi., or 19 1/4 miles.
Answer:
k = 3
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
Step 2: Add 79 to both sides.
Step 3: Divide both sides by 2.
