Question

Simplify the expression (2)

a). 2a – 20 – 4 – 5 + a

b). 2 – 8y + 4y + 4 – 3​

Answer 1

Answer:

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Step-by-step explanation:

$2a - 20 - 4 - 5 + a \\ \\ 2a + a - 20 - 4 - 5 \\ \\ 3a - 29$

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$2 - 8 y+ 4y + 4 - 3 \\ \\ 2 + 4 - 3 - 8y + 4y \\ \\ 3 - 4y$

Answer 2

Answer:

Actually 6+7=13

1+1+1+1+1+1+1+2+1+1+1+1=13