3 years ago

Twice the sum of a number and 2 is equal to three times the difference of the number and 7.Find the number.

Mathematics

1 answer:

Law Incorporation [45]3 years ago

4 0

Answer:

the best choice would be b.

Step-by-step explanation:

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What is the first step you will use to solve this equation:

Verizon [17]

Subtract 4x from both sides

4x +2 = 7x - 13 would then simplify to

3x - 13 = 2 ( you can switch the problem around as long as you dont switch the variables around )

then you have to + 13 which simplifies to

3x = 15

then you divide by 3 which equals

x=5

5 0

3 years ago

Find the shorter base of a trapezoid if the trapezoid's area is 52, its altitude is 8, and its longer basis 10.

DiKsa [7]

Answer:

The shorter base is 3

Step-by-step explanation:

$a = \frac{(b1 + b2)}{2} \times h$