Question

What is the solution to the equation?

7(5 + 9) = 7 · x + 7 · 9









A.

x = 1








B.

x = 5








C.

x = 7








D.

x = 9

@Nanalew

Answer 1

i think your in the wrong section

but anyways,
7(5 + 9) = 7 · x + 7 · 9
simplify the ones in the bracket
7(14)=7x+7•9
then do multiplication
98=7x + 63
collect like terms
98-63=7x
subtract
35=7x
divide both sides by 7 to simplify
5=x
therefore x=5

Answer 2

lol, there you go ;p

Answer 3

sorry...

Answer 4

np :)