Answer:
1) x > 3,2
2) x < -0,7
Step-by-step explanation:
5x - 4 > 12
5x > 12 + 4
5x > 16
x > 16/5
x > 3,2
OR
12x + 5 < -4
12x < -4 - 5
13x < -9
x < -9/13
x < -0,7
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Formula:
………………………………………
Then
By the chain rule,
When , we have
The smaller number is 5.
The bigger number is 15.
Let the smaller number be x and the bigger number be x+10.
x+x+10 = 4x
2x+10 = 4x
10 = 4x-2x
2x = 10
x = 10÷2
= 5
x+10 = 5+10
= 15
