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Chapter 1: Q56 (page 65)

Solve each equation.

a=24-73

Short Answer

Expert verified

The value of the ais 3.

Step by step solution

01

Step 1. Given information.

We have an equationa=24-73

To find the value ofa

02

Step 2. PEMDAS Rule.

  • In the presence of grouping symbols such as parenthesis or bracket, simplify expressions in those first, beginning with the innermost grouping symbol.
  • In the expression, evaluate exponential expressions or absolute values in order from left to right.
  • Multiply or divide in order from left to right.
  • Add or subtract in order from left to right.

If there are no grouping symbols or no exponents, we multiply or divide and then add or subtract in the order from left to right.

03

Step 3. Calculation.

We have,

a=24-73

鈬�a=24-7路3鈬�a=24-21鈬�a=3

Hence, the value of the ais3.

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