Simplify 2x – 9y + 4x + 11y by combining like terms and then evaluate at x = -2
and y = 4.
1 answer:
Step-by-step explanation:
= 2x - 9y + 4x + 11y
First of all combining like terms
So
= 2x + 4x - 9y + 11y
= 6x + 2y
Now putting values
= 6 (-2) + 2(4)
= - 12 + 8
= - 4
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