Fractions and Decimals

Discrete Mathematics

Differential Equations

Solved on Apr 26, 2024

Find the value of $x$ that satisfies the equation $7x + 4 = 39$ .

STEP 1

Question: What is the first step in solving the equation $7x + 4 = 39$ for $x$ ?
A) Add 4 to both sides B) Subtract 4 from both sides C) Divide both sides by 7 D) Multiply both sides by 7
Answer: B

STEP 2

Question: What equation results from subtracting 4 from both sides of the equation $7x + 4 = 39$ ?
A) $7x = 35$ B) $7x = 43$ C) $3x = 35$ D) $3x = 43$
Answer: A

STEP 3

Question: What should you do next to solve for $x$ in the equation $7x = 35$ ?
A) Add 7 to both sides B) Subtract 7 from both sides C) Divide both sides by 7 D) Multiply both sides by 7
Answer: C

STEP 4

Question: What is the value of $x$ after dividing both sides of $7x = 35$ by 7?
A) 5 B) 7 C) 28 D) 42
Answer: A

STEP 5

Question: What is the correct solution to the equation $7x + 4 = 39$ ?
A) $x = 4$ B) $x = 5$ C) $x = 7$ D) $x = 18$
Answer: B

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