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10.11.2020 •
Mathematics
Prove that 3a + 3b is equivalent to 3(a + b) when a = 4 and b = 3.
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Ответ:
Step-by-step explanation:
= 3a+3b
or, 3×4+3×3
or, 12+9
or, 21
again,
= 3(a+b)
or, 3×(4+3)
or, 3×7
or, 21
hence 3a+3b is equivalent to 3(a+b) is proven
Ответ: