Find x if AC = 7x - 15 and BD = 4x + 15

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Kevmalek asked Jun 13, 2022

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28 votes

Find x if AC = 7x - 15 and BD = 4x + 15

Mathematics
high-school

Kevmalek asked Jun 13, 2022

by Kevmalek

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13 votes

Answer:

x = 10

Explanation:

Given that AC and BD are congruent , then

7x - 15 = 4x + 15 ( subtract 4x from both sides )

3x - 15 = 15 ( add 15 to both sides )

3x = 30 ( divide both sides by 3 )

x = 10

Ritam Nemira answered Jun 14, 2022

by Ritam Nemira

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16 votes

Answer:

x = 10

Explanation:

7x - 15 = 4x + 15

7x - 4x = 15 + 15

3x = 30

x = 10

Thinkeye answered Jun 19, 2022

by Thinkeye

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