0.4x- 3/1.5x +9 =7/5
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Answer:
x= -156/17
Step-by-step explanation:
0.4x- 3/1.5x +9 =7/5
⇒5 (0.4x - 3) = 7 (1.5x + 9)
⇒(5 × 0.4x) - (5 × 3) = (7 × 1.5x) + (7 × 9)
⇒2x - 15 = 10.5x + 63
⇒2x-10.5x = 63+15
⇒ -8.5x = 78
⇒ -85x/10 = 78
⇒ -17x/2 = 78
⇒ -17x = 156
⇒x = 156/-17
⇒x= -156/17
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