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3 years ago

Geometry help please

Mathematics

2 answers:

ad-work [718]3 years ago

7 0

Answer:

x = 5

AB = 13

BC = 17

Step-by-step explanation:

So we have to make an equation;

(2x + 3) + (4x - 3) = 30

Collect like terms

6x = 30

Divide both sides by 6

x = 5

To find AB we have to plug in the value of x;

2x + 3 = 2(5) + 3

10 + 3 = 13

AB = 13

To find BC we also have to plug in the value of x;

4x - 3 = 4(5) - 3

20 - 3 = 17

BC = 17

bezimeni [28]3 years ago

5 0

Answer:

x=2

ab=7

bc=5

Step-by-step explanation:

because you do

2x+3 = 4x+3

-3 -3

2x=4x

-2x -2x

x = 2

2x2+3

4+3

4x2-3

8-3

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