Answer:
-60x+20 = -400
x equals 7
Step-by-step explanation:
Answer:
a is 2.5
b is 1
gradient is rise over run
Answer:
28
Step-by-step explanation:
18+6+4=28
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Answer:
-9x^9y^5
Step-by-step explanation:
Do the multiply first:
-16x^9y^5+7x^9y^5
=x^9y^5(-16+7)
=-9x^9y^5