3
Answer: CSet 2: Linear Equations (Advanced)
Explanation
PROBLEM
Solve for x: 5(x + 1) = 70
Solve for x: 5(x + 1) = 70
A.
26
B.
12
C.✓ Correct
13
D.
15
Detailed Explanation
Choice C is the best answer. Solve step by step: x = 13
Why others are wrong:
A: 26 is incorrect because it does not satisfy the equation.
B: 12 is incorrect because it does not satisfy the equation.
D: 15 is incorrect because it does not satisfy the equation.