Lesson about: Formulating the Rule in Finding the nth Term Using Different Strategies
Direction: Determine the value of the variables in the simple algebraic equations below.
[tex]\boxed{\sf1) \: a + 8 = 20 }[/tex]
[tex]\boxed{\sf2) \: b - 11 = 33 }[/tex]
[tex]\boxed{\sf 3) \: c + 10 - 4 = 37}[/tex]
Help! I didn't understand my teāchēr's explaination on how to solve this math problem and also can you please show your solution or explanation?
[tex] \boxed{ \sf \: thank \: you \} [/tex]
Direction: Determine the value of the variables in the simple algebraic equations below.
[tex]\boxed{\sf1) \: a + 8 = 20 }[/tex]
[tex]\boxed{\sf2) \: b - 11 = 33 }[/tex]
[tex]\boxed{\sf 3) \: c + 10 - 4 = 37}[/tex]
Help! I didn't understand my teāchēr's explaination on how to solve this math problem and also can you please show your solution or explanation?
[tex] \boxed{ \sf \: thank \: you \} [/tex]
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Answer:
Step-by-step explanation:
a + 8 + (-8) =20 + (- 8)
a + 8 - 8 = 20 - 8
a = 12
checking:
a + 8 = 20
12 + 8 = 20 - true
2. b - 11 = 33
b - 11 + 11 = 33 + 11
b = 44
checking:
b - 11 = 33
44 - 11 = 33 - true
3. c + 10 - 4 = 37
c + 10 - 4 + (- 10) = 37 + (- 10 )
c + 10 - 10 - 4 = 37 - 10
c - 4 = 27
c - 4 + 4 = 27 + 4
c = 31
checking:
c + 10 - 4 = 37
31 + 10 - 4 = 37 - true
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