cam9464 cam9464
  • 03-12-2020
  • Mathematics
contestada

Evaluate 4b – a when a = 12 and b=7.
4b - a= 0

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skbeckwi
skbeckwi skbeckwi
  • 03-12-2020

Answer: 4b - a = 15

Step-by-step explanation: if you replace the variables with their equivalent counterparts you get the equation 4(7) - 12 = __ when you do the math make sure to do the parentheses first then subtract, just like in elementary school remember pemdas parentheses, exponents, multiplication, division, addition, subtraction. I hope this helps.

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sad3ra
sad3ra sad3ra
  • 03-12-2020
4b - a
4(7) - (12)
28 - 12
16
Answer Link

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