2 answers:
Answer:
if x is 3 then
3-7(3)+2(3)
-18+6
-12 done
Answer:
-12
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
3 - 7x + 2x
x = 3
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: 3 - 7(3) + 2(3)
- Multiply: 3 - 21 + 6
- Subtract: -18 + 6
- Add: -12
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