Question

If 5(x-3)-4(x-2)=0 then the value of x is

1 point
3. The sum of the measures of the


exterior angles of any polygon is

​

Answer 1

Answer:

5x-15-4x+8=0

x-15+8=0

x-7=0

x=0+7

x=7

hence the value of x is 7.

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Answer 2

Solution 1 :-

Simplifying the given question ,

⇒ 5 ( x - 3 ) - 4 ( x - 2 ) = 0

⇒ 5x - 15 - 4x + 8 = 0

By transposing like terms ,

⇒ x = 15 - 8

⇒ x = 7

Hence , x = 7

Verification :-

By substituting the value of x in the given question .

➵ 5 ( 7 ) - 15 - 4 ( 7 ) + 8 = 0

➵ 35 - 15 - 28 + 8 = 0

➵ 20 - 20 = 0

➵ 0 = 0

Hence, verified . So , x = 7

Solution 2 :-

Sum of the measures of the exterior angles of any polygon is 360°