Question

What value of b will make the expressions −12.8x+b and −3.2(4x−2.1)+2.4 equivalent?

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Answer 1

Explanation:

-12.8x + b = -3.2(4x - 2.1) + 2.4 =

= -12.8x + 6.72 + 2.4

b = 6.72 + 2.4 = 9.12