Equations with Parentheses, Decimals, & Fractions Quick Check

Question

What is the first step in solving for x in the equation 5.6 (x + 1.42) = 7.8?
Subtract 1.42 from both sides.
Multiply both sides by 5.6.
Only the left hand side was divided by 5.6.
Divide both sides by 5.6.

Answer 1

To solve the equation \( 5.6 (x + 1.42) = 7.8 \), the first step is to eliminate the coefficient in front of the parentheses.

The correct first step is to divide both sides by 5.6.

So, the answer is: Divide both sides by 5.6.