Simplify: 3x + 4y + 7x - 2y
2 answers:
Answer:
10x+2y
Step-by-step explanation:
combine like terms
Answer:
Step-by-step explanation:
3x + 4y + 7x - 2y=3x + 7x +4y - 2y
10x + 2y
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Step-by-step explanation:

Answer:
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Pls mark brainliest!:)
The perimeter is 36
8+8=16
10+10=20
20+16=36
Answer:
-8
Step-by-step explanation:
(7)*(-8) = -56
(-56) - (-8) = -48