Answer:
16m + 2n + 4
Step-by-step explanation:
( −2n −2) + (6 + 8m) + (8m + 4n)
−2n + −2 + 6 + 8m + 8m + 4n
(8m + 8m) + ( −2n + 4n) + (−2 + 6)
16m + 2n + 4
Hope you could understand.
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http://www.cpalms.org/Public/PreviewResourceAssessment/Preview/65260
1. 4y – y and 4 because “4y – y = 4.”
not equivalent because we don't know what y is
2.not equivalent
2x + 7x and 9x because “5 + 3 = 8.”
Let x be the number of red balloons and y the number of yellow balloons used, then
x + y ≥ 40
y ≥ 25