8. Simplify each of the following expressions.(a) 15x +(-7y) + (-18x) – InterviewSolution

1.

8. Simplify each of the following expressions.(a) 15x +(-7y) + (-18x) + 4y(b) -3x + (-5y) - (-10y) - 7x(c) 9x = (-2y) - 8x-(-12y)(d) -7x-(-15y) - (-2x) + (-6y)

Answer»

a) 15x-7y-18x+4y

-3x-3y

b) -3x-5y+10y-7x

5y-10y

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