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stepan [7]
2 years ago
13

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

Mathematics
1 answer:
telo118 [61]2 years ago
3 0

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

Distribute -3.2 through the parentheses

- 12.8x + b =  - 12.8x + 6.72 + 2.4

Cancel equal terms on both sides of the equation

b = 6.72 + 2.4

Add the decimals

b = 9.12

<em>Thus, The expression are equivalent at b = 9.12...~</em>

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