Question 507703: if the sum of a number and 6 is multiplied by 5, the resuit is same as 9 times the number decreased by 2 Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! The sum of a number +6
x +6
.
Multiplied by 5
5x + 30
.
Equals 9 times the number minus 2.
9(x-2)
.
5x +30 = 9x -18
.
-4x = -48
.
x = 12
.
check the answer.
.
5(12+6) = 90
.
9(12-2) = 90
.
correct.
.
Answer: The number is 12.
.
Done.