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5)Write an algebraic equation for each statement, and then SOLVE for x

The sum of a number and six is fourteen. __________________________
The quotient of fifteen and a number equals three. __________________________
The product of seven and a number equals fifty-six. __________________________
The difference between the square of a number four is twelve. __________________________
One quarter of a number is ten. __________________________
Three times a number decreased by nine equals eighteen. __________________________
Ten less than half a number equals fourteen. __________________________
A number divided by eight is nine. __________________________
The product of double a number and three equals twenty-four. __________________________
The product of twenty and a number equals one hundred and forty.

1 Answer

7 votes

Answer:

Explanation:

1. x+6=14

14-6=8

x=8

2. 15/x=3

15/3=x

x=5

3. 7*x=56

56/7=8

x=8

4. x^2-4=12

x=4, x=-4

5. 1/4x=10

x/4 = 10

x = 40

6. 3x-9=18

x=9

7. 1/2x-10=14

x/2-10=14

x=48

8.x/8=9

8*9=72

x=72

9.2x+3=24

2x=21

x=21/2

10.20*x=140

140/20=7

x=7

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