Question

Se A = 2y + 3 e B = y-5, determine:
a) A+B
b) A.B​

Answer 1

a) A+B

2y +3

y - 5

3y -2

$y = \frac{ - 2}{3}$

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b) A.B

2y + 3

y - 5

2y - 15

$y = \frac{15}{2}$