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20.10.2021 •
Mathematics
Solve the inequality. Then, graph the solution on the number line. (Show all your work) z+6>3 2z < -12
Define a variable and write an inequality for each problem, then solve. (Show all your work)
1. The quotient of three times a number and 4 is at least -16
2. The difference of 5 times a number and 6 is greater than the number.
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Ответ:
x = 5/3, y = 14/3
Step-by-step explanation:
Since they both equal y, the equations equal each other as well.
4x - 2 = x + 3
Subtract x.
3x - 2 = 3
Add 2.
3x = 5
Divided by 3.
x = 5/3
Substitute x into an equation to get y.
y = 4(5/3) - 2 = 14/3