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Sagot :
Answer:
Step-by-step explanation:
Combine like terms
6) -4f - 9 -f + 15 = -4f - f -9 +15
= -5f + 6
7) 1.5g - 10 + 6.5g - 3 = 1.5g + 6.5g - 10 - 3
= 8.0g -13
= 8g - 13
8)
[tex]\frac{1}{2}h + 2h + \frac{3}{2}h - 1 = \frac{1}{2}h+\frac{3}{2}h+2h - 1\\[/tex]
[tex]= \frac{1+3}{2}h + 2h -1\\\\= \frac{4}{2}h + 2h -1\\\\= 2h + 2h -1 \\\\= 4h - 1[/tex]
9) 4.2j + 6.7j - 5j - 5 = 10.9j - 5j - 5
= 5.9j - 5
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