4x + 2y + z = 8

solve for x, y, and z

Example of an algebraic expression that always has the same value regardless of the value of the variable

John and Mary have equal numbers of beads. John gives Mary 54 beads and then Mary has 7 times as many beads as John. How many beads do they have in all?

If a rectangular area is rotated in a uniform electric field from the position where the maximum electric flux goes through it to an orientation where only half the flux goes through it, what has been the angle of rotation?

Explain which fraction strips you could use to add 1/3 and 3/6

What is the multiple of 9 15 and24

A volleyball of radius 13 inches fits exactly in a cylinder with the same radius. inside the container there is empty space not taken up by the volleyball. what is the volume of that empty space? use 3.

From a barrel of colored marbles you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. Find the experimental probability of randomly selecting a marble that is NOT yellow. Write your answer in simplest form.

After x+1 over 3 minus x+2 over 2x have been combined using the least common denominator of 6x what is the numerator

Steve is 2 years older than cathy, jake is twice as old as steve, kate is twice as old as jake. the sum of their ages is 56. how old is steve

Two more than 5 times a number is greater than or equal to 3