Description
0.4(x+50) +0.8x=56
Find the solution and determine if it is the following:
A. the solution set is_______
B.The solution is all real numbers
C. The solution is an empty set
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Explanation & Answer
0.4x + 20 + 0.8x = 56
1.2x = 56 - 20
1.2 x = 36
x = 30
A. the solution set is x = 30
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