2 years ago

The perimeter p of the rectangle equals 30. Find the value of X?

Mathematics

1 answer:

Ilia_Sergeevich [38]2 years ago

3 0

Answer:

Step-by-step explanation:

The perimeter is calculated by multiplying the sum of width and height with 2

2*(4x-2+7x+9) = 300 solve inside the parenthesis

2*(11x+7) = 300 multiply inside the parenthesis with 2

22x + 14 = 300 subtract 14 from both sides

22x = 286 divide both sides by 22

x = 13

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