Answer:
x = -3
Step-by-step explanation:
Step 1: Simplify signs
3x + 7 = -2
Step 2: Subtract 7 on both sides
3x = -9
Step 3: Divide both sides by 3
x = -3
Answer:
Two quarters (50 cents)
Two dimes (20 cents)
Four pennies (4 cents)
Step-by-step explanation:
Guess and check.
Answer:
Step-by-step explanation:
1/4
Answer:
y=-50x-20
Step-by-step explanation: