solve -8 = 1/4 (m - n) for m. also, solve S= 2(pi) r (h + r) for h. Thanks!

Answer 1

-8 = 1/4(m - n) multiply both sides of equation by 4 to get

-32 = (m - n) remove parenthesis and add n to both sides of equation to get

n - 32 = m

S = 2πr (h + r) multiply (h + r) by 2πr to get

S = 2πrh + 2πr² subtract 2πr² from both sides to get

S - 2πr² = 2πrh divide both sides by 2πr to get

(S - 2πr²) / 2πr = h

Remember, whatever operation you do to one side of the equation, you must do to the other side.

Answer 2

solve -8 = 1/4 (m - n) for m

-8 = 1/4 (m - n)

-32 = m - n

m - n = -32

m = n - 32