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Envision Math 2.0: Grade 7, Volume 1

EM

Envision Math 2.0: Grade 7, Volume 1 View details

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Exercise 12 Page 187

Substitute - 4 for a and 3 for b in the expression.

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Practice makes perfect

To evaluate the given expression for a = - 4 and b = 3, we should substitute these values into the expression and simplify as much as possible.

2(a-b)

a= - 4, b= 3

2( - 4 - 3)

Subtract term

2(- 7)

a(- b)=- a * b

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Subchapter links

Review What You Know! p.187