What makes the value n of the equation true - 2n+1.8=3.2

A.-3.4

B.-0.7

C. 0.7

D.-2.5

Question

Mathematics

Esteban Choi

4 April, 03:14

What makes the value n of the equation true - 2n+1.8=3.2

A.-3.4

B.-0.7

C. 0.7

D.-2.5

+4

Answers (1)

Know the Answer?

Kelvin Christensen · Answer 1

-2n + 1.8 = 3.2

Subtract 1.8 from both sides

-2n = 1.4

Divide both sides by - 2

n = 1.4/-2 = 0.7/-1 = - 0.7

n = - 0.7

Check your work:

-2 (-0.7) + 1.8 = 3.2

1.4 + 1.8 = 3.2

3.2 = 3.2

The answer is B. - 0.7

What makes the value n of the equation true - 2n+1.8=3.2A.-3.4B.-0.7C. 0.7D.-2.5

What makes the value n of the equation true - 2n+1.8=3.2

A.-3.4

B.-0.7

C. 0.7

D.-2.5