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Equations with Parentheses, Decimals, & Fractions Quick Check

What is the first step in solving for z in the equation 5.6 (z + 1.42) = 7.8? (1 point)
• Subtract 1.42 from both sides.
• Divide both sides by 5.6.
• Multiply both sides by 5.6
• Only the left-hand side was divided by 5.6.

1 answer

The first step in solving for z in the equation 5.6 (z + 1.42) = 7.8 is to divide both sides by 5.6.
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