Solve the equation -16x>-80
2 answers:
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The correct answer of
if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4.
then solve by order of operations.
solve what is inside the parentheses first
then do the multiplication of the factors
then the final step, adding, to get the solution of 272
if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4.
then solve by order of operations.
solve what is inside the parentheses first
then do the multiplication of the factors
then the final step, adding, to get the solution of 272
Use the geometric mean for right triangles here. Like this 
. Cross multiply to get 
, and 
. That simplifies down to 
. Pull out the 9 as a perfect square of 3 and you're left with 
, first choice above.