What value of s makes the equation true?
2 answers:
Answer:
s = -17
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
-8s + 4 = -7s + 21
<u>Step 2: Solve for </u><em><u>s</u></em>
- [Addition Property of Equality] Add 7s on both sides: -s + 4 = 21
- [Subtraction Property of Equality] Subtract 4 on both sides: -s = 17
- [Division Property of Equality] Divide -1 on both sides: s = -17
Answer:
-17 =s
Step-by-step explanation:
-8s +4 = -7s +21
Add 8s to each side
-8s+8s +4 = -7s+8s +21
4 = s+21
Subtract 21 from each side
4-21 = s+21-21
-17 =s
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