Where did we go wrong here?

4Y+3=3Y+X. (where 4Y=18-2X)

18-2X + 3 = 3Y + X

18-3 = 3Y+3X

21 = 3Y + 3X

7 = Y + X

Manuel's age is 2 years less than twice niko's age. if we let x x represent niko's age, write an algebraic expression for manuel's age.

A train traveling at a constant rate of speed covers 340 miles and 5 hours which ratio can be used to find X the miles the train will travel in 8 hours

The chart gives three different international calling plans. Jamie has budgeted $20 per month for international calls. Round answers to the nearest minute. Plan Monthly Fee Charge per minute A $3.95 $0.08 B $8.95 $0.06 C $0 $0.10 1.

The distance a car travels is directly related to the time it travels. The distance is 300 miles when time is 5 hours. What is the constant of variation?

An assembly worker can assemble 6 pillows per hour. The worker is paid $10.00 an hour. What is the direct labor cost per pillow?

How long will it take an emperor penguin to swim 14 miles if it is swimming 7 mph?

What's worse than finding a worm in an apple?

30 yd 40 yd What is the length of the hypotenuse?

Sebastian is making gingerbread cookies and lemon bars for a holiday party. He needs 2.5 times as much sugar for the bars as he needs for the cookies. If his gingerbread cookie recipe calls for 1.

Solve for a. g = - (9a) / (2b)