Use addition or substitution to find the value of x for this set of equations 12x-5y=30 y=2x-6

Solve for x 4 - (2/3) x = (1/2) x+2

When Jonathan bought 12 peaches and pears, at $1.50 per peach and at $1.60 per pear, the total price was $18.50. How many peaches and pears did he buy, respectively? Fill in the blanks provided and solve for the answer.

What is 6x (-496) = 19x12

A blueprint shows the mater bedroom to be 5 inches long and 3 inches wide. The scale on the blueprint is 2 in : 11 ft. What is the area (in sq ft) of the actual bedroom?

3.1 in standard form

At what time would the velocity reach 60.00 km/hr? It will never travel at 60.00 km/hr. It travels at a different constant rate. 10.00 seconds 100.00 seconds

What does this equal? 5x+4=7x+2

If f (x) = x2 - 1, and g (x) = x + 2, then g (f (x)) = [? ]x2+[ ]x + [ ]

What two numbers add to 5 and multiply to 4

If I was asked to think of a number and multiply it by 2, I could write this algebraically as 2x. Write the following algebraically, using x as your unknown. "I think of a number, multiply it by itself and then add 6 to the result."