Answer:
<h3>

</h3>
Step-by-step explanation:

Move 9 to right hand side and change it's sign
⇒
Subtract 9 from 17
⇒
Divide both sides of the equation by -4
⇒
Calculate
⇒
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Answer:
x = 8
Step-by-step explanation:
-10x+6=-74
-10x=-74-6
-10x=-80
x=-80/-10
x=8
the digit 8 is ten times the value of 6 in 786.
Answer:
172
Step-by-step explanation:
412.8÷2.4
4128/10÷24/10
4128/10×10/24
4128/24
172