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skad [1K]
3 years ago
10

5 (2x – 1) –7 = 2 (x – 3)

Mathematics
1 answer:
Sladkaya [172]3 years ago
7 0

Answer:

x−3=x−3

Step-by-step explanation:

Evaluate (2x−1)−7, then set it equal to 2.

Subtract 7 from −1 = 2x−8

Solve 2x−8=2.

Move all terms not containing x to the right side of the equation.

Add 8 to both sides of the equation=2x=2+8

Add 2 and 8=2x=10

Divide each term by 2 and simplify.

Divide each term in 2x=10 by 2=2x/2=10/2

Cancel the common factor of 2

Cancel the common factor=10/2

Divide x by 1=x=10/2

Divide 10 by 2=x=5

Remove parentheses=x−3

List all of the solutions.

5=

(2x−1)−7=2=x=5

x−3=x−3

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Answer:

x\geq -30

Step-by-step explanation:

Work to isolate x on one side of the inequality:

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6 0
2 years ago
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2 years ago
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