I dont understand how the expression can be expand, can someone tell me step by step (y + 1) (y - 3)

= y (y - 3) + 1 (y - 3)

= y2 - 3y + y - 3

= y2 - 2y - 3

What is b for this equation 4b+5=1+5b

Enter the value for x that makes the equation true 36 (x-5) = 9x-18

Show a way to take apart 7

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8 m increased by 25%

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