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Wittaler [7]
3 years ago
12

What is the value of 5a plus 2(a plus b) when a equal 4 and b equal 2

Mathematics
2 answers:
Irina18 [472]3 years ago
6 0

\text{Solve by plugging values into equation:}\\\\5a+2(a+b)\\\\5(4)+2(4+2)\\\\20+2(4+2)\\\\20+2(6)\\\\20+12\\\\\boxed{32}

Degger [83]3 years ago
3 0

Step-by-step explanation:

5a + 2(a + b) \\  = 5a + 2a + 2b \\  = 7a + 2b \\  = 7 \times 4 + 2 \times 2 \\  = 28 + 4 \\  = 32

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