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

Find x if AC = 7x - 15 and BD = 4x + 15-example-1
User Mathemats
by
5.1k points

2 Answers

2 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

User Kyojimaru
by
4.7k points
0 votes

Answer:

x = 10

Explanation:

7x - 15 = 4x + 15

7x - 4x = 15 + 15

3x = 30

x = 10

User JessieArr
by
4.4k points