0. Review of Algebra

In Exercises 85–96, simplify each algebraic expression. 5(3x+4)−4

Simplify

$-3\(\left\)(5-x\(\right\))+10-7x$

Evaluate each expression for x = -4 and y = 2. 2|y| - 3|x| / |xy|

Add or subtract as indicated. 12/25x^2+11/15x^3

Evaluate each expression for x = -4 and y = 2. |-8y + x| / -|x|

Evaluate each expression for $x=-4$ and $y=2$.

$\mid -5y+x\mid$

Evaluate each expression for x = -4 and y = 2. |3x - 2y|

In Exercises 1–16, evaluate each algebraic expression for the given value or values of the variable(s). 7+5x, for x = 10

Evaluate each expression for $x=-4$ and $y=2$.

$\mid 2x-5y\mid$

Simplify each expression. 8+(a+7)

In Exercises 85–96, simplify each algebraic expression. 2(5x−1)+14x

Simplify

$3x+14y-7\(\left\)(-x+2y\(\right\))$

Add or subtract, as indicated. 3/2k + 5/3k

Add or subtract, as indicated. (17y + 3)/(9y + 7) - (-10y - 18)/(9y + 7)

Evaluate each expression for p=-4, q=8, and r=-10. -p² -7q +r²