simplifying algebraic expressions
7x - 4x
What is 3x
What is 12?
6z + 4y - 2z + 6y - 4
4z + 10y - 4
p2 x 4 + pq when p = 2 and q = 10
What is 26?
4a + 2b - 4a + 10b
12b
(x + 3)2 - 2y when x = -6 and y = 4
What is 1?
3 + 2(6n - 5) + n
13n -12
(x + y)2 + 2x - 3y when x = 4 and y = -10
What is 74
6 - 4(5x + 3) - 10x
-30x -6
What is -1?