5k + (-7) = 13 what does k =
2 answers:
Answer:
Step-by-step explanation:
Here you go mate
PEMDAS
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
Step 1
5k+(-7)=13 Equation/Question
Step 2
5k+(-7)=13 Remove parenthesis
5k=20
Step 3
5k=20 Divide 5 from the sides Check (5)(4)=20
answer
4
Answer:
k = 4
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
Subtract Property of Equality
Step-by-step explanation:
<u>Step 1: Define</u>
5k + (-7) = 13
<u>Step 2: Solve for </u><em><u>k</u></em>
Simplify equation: 5k - 7 = 13 Addition Property of Equality: 5k - 7 + 7 = 13 + 7 Simplify equation: 5k = 20 Division Property of Equality: 5k/5 = 20/5 Simplify equation: k = 4
<u>Step 3: Check</u>
<em>Plug in k into the original equation to verify it's a solution.</em>
Substitute in <em>k</em>: 5(4) + (-7) = 13 Multiply: 20 + (-7) = 13 Add: 13 = 13 Here we see that 13 does indeed equal 13.
∴ k = 4 is the solution to the equation.
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