Question

Раскрыть скобки: -7*(x-9) =(-3+y)*(-2)=

Answer 1

-7x+63=6-2y
минус на минус даёт плюс

Answer 2

-7*(x-9) + (-3+y)*(-2) =

First, distribute the -7 and the -2 to the terms inside the parentheses:

-7x + 63 - 3 + y =

Now, combine like terms:

-7x + 60 + y =

This is the simplified form of the given equation.