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3 years ago

Solve for x x-1 ≥8 please help

Mathematics

1 answer:

Reptile [31]3 years ago

8 0

Steps to solve:

x - 1 ≥ 8

~Add 1 to both sides

x - 1 + 1 ≥ 8 + 1

~Simplify

x ≥ 9

Best of Luck!

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Read 2 more answers

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Step-by-step explanation:

Total postcards boys have = 280

Let,

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y = Shawn's postcards

z = Tim's postcards

According to given statement;

x + y + z = 280 Eqn 1

$x=\frac{2}{3}y$ Eqn 2

$y = \frac{4}{5}z$ Eqn 3

Putting value of y from Eqn 3 in Eqn 2

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Putting value of x and y from Eqn 4 and Eqn 3 in Eqn 1

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Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

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