Solve. 7/2 x + 1/2 x =17 1/2 + 9/2 x

x=−171

Step-by-step explanation:

Let's solve your equation step-by-step.

7

2

x+

1

2

x=

171

2

+

9

2

x

Step 1: Simplify both sides of the equation.

7

2

x+

1

2

x=

171

2

+

9

2

x

(

7

2

x+

1

2

x)=

9

2

x+

171

2

(Combine Like Terms)

4x=

9

2

x+

171

2

4x=

9

2

x+

171

2

Step 2: Subtract 9/2x from both sides.

4x−

9

2

x=

9

2

x+

171

2

−

9

2

x

−1

2

x=

171

2

Step 3: Multiply both sides by 2/(-1).

(

2

−1

)*(

−1

2

x)=(

2

−1

)*(

171

2

)

x=−171

x=−171

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99