algebra
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0.4x+4<0.8x7
the < has a line under it im supposed to put a inequality symbol and the rest of the answer

0.4x+4<0.8x7
0.4x+4 ≤ 0.8x7 multiply by 10
4x + 40 ≤ 8x  70
4x ≤ 110
x ≥ 55/2 or x ≥ 27.5
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