Question

9x + 8y when x = 4 and and y = -5

Answer 1

9x + 8y
=9(4) + 8(-5)
=36 + (-40)
=36 - 40
= -4

Answer 2

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▹ Answer

-4

▹ Step-by-Step Explanation

9x + 8y = ?

Substitute the value for x in:

9(4) + 8y

Substitute the value for y in:

9(4) + 8(-5)

Multiply:

9 * 4 = 36

8 * -5 = -40

9x + 8y = 36 - 40 = -4

Hope this helps!

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