15-12-2017
Mathematics

contestada

3 + 5.2x= 1 - 2.8x how do I solve this?

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stilio1p0zaae stilio1p0zaae

15-12-2017

3+5.2x=1-2.8x

1. 3+5.2x+2.8x=1

2. 5.2x+2.8x=1-3

5.2x+2.8x=1-3

1. 8x=1-3

2. 8x=-2

8x=-2

1. =-(1/4)

Alternative form:

2. x=-0.25

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