damsel131 damsel131

06-09-2016
Mathematics

contestada

0.8(5x+15)=2.6-(x+3)

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dasetka dasetka

06-09-2016

0.8(5x + 15) = 2.6 - x + 3 Use the Distributive Property
4x + 12 = 2.6 - x + 3 Combine like terms (2.6 and 3)
4x + 12 = 5.6 - x Add x to both sides
5x + 12 = 5.6 Subtract 12 from both sides
5x = -6.4 Divide both sides by 5
x = -1.28

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