What is the solution to 2x-y=10 and y=-1/2x+5

(6, 2)

Step-by-step explanation:

Given the 2 equations

2x - y = 10 → (1)

y = x + 5 → (2)

Substitute y = - x + 5 into (1)

2x - (- x + 5) = 10

2x + x - 5 = 10

x - 5 = 10 ( add 5 to both sides )

x = 15

Multiply both sides by 2 and divide by 5

5x = 30 ⇒ x = 6

Substitute x = 6 into (1)

12 - y = 10 ( subtract 12 from both sides )

- y = - 2 ( multiply both sides by - 1 )

y = 2

Solution is (6, 2)

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98