Question

10th std maths part1 ?​

Answer 1

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Equation : $a + 2b = 7$

given, b = 4 ; a = ?

$a + 2(4) = 7$

$a = 7 - 8$

$a = - 1$

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Answer 2

Answer:

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So, a + 2b = 7

a + 2 (4) = 7

a + 8 = 7

a = 7 - 8

a = (-1)