Question

Please Someone help do not understand it ASAP

Answer 1

1a) 90 = 2y + 2(2x) 1b) 45 - 2x = y

Explanation:

1a) 90 = 2y + 2(2x)

1b) 90 = 2y + 2(2x) Use the equation from above and multiply

90 = 2y + 4x

-4x - 4x Subtract 4x from both sides

90 - 4x = 2y Divide both sides by 2

45 - 2x = y