Question

Find the value of the algebraic expression 2x +7y if x=2 and y = -3​

Answer 1

Answer:

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Step-by-step explanation:

=2x+7y

=2×2+(7×-3). (using x=2 and y= -3)

=4+(-21)=4-21=-17

Answer 2

$= 2x + 7y$

$x = 2 \: \: and \: \: y = -3$

$= 2(2) + 7( - 3)$

$= 4 - 21$

$= - 17$