What is -6d + 12 = -42

-6d +12 = -42

or, -6d = -42-12

or, -6d = -54

or, d = -54/-6 = 9

Answer is 9

720

step-by-step explanation:

first i did work 2nd i did work and 3rd i did work

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

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