What should be done to solve the following equation?

d - 8 = 9

subtract 8 from both sides of the equation.
add 8 to both sides of the equation.
add 9 to both sides of the equation.
subtract 9 from both sides of the equation.

To solve this equation, you need to isolate/get the variable (d) by itself, to do so, you should add 8 on both sides

d - 8 = 9

d - 8 + 8 = 9 + 8

d = 17       The 2nd option is your answer

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

answer by yourhope:

hi! : )

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