0.5x+1.5=0.7x-0.9
find x
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Answer:
0.5x + 1.5 = 0.7x - 0.9
0.5x - 0.7x = - 0.9 - 1.5
- 0.2x = - 2.4
0.2x = 2.4
x = 12
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