Question

solve each of the following equation by the trial -and- error method .

(1.) y+9 =13
(2.) x-7​

Answer 1

Answer:

1). y=13-9

y=4

2)x =7

ok this is helpful

Answer 2

Answer:

$y + 9 = 13 \\ y =13 - 9 \\ = 4 \\ 4 + 9 = 13 \\ y =4$

Step-by-step explanation:

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