How many solutions does the equation 7x-3x-4=4 have?

One solution

x = 2

Step-by-step explanation:

7x - 3x - 4 = 4

           +4    +4

7x - 3x = 8

4x = 8

Divide both sides by 4

x = 8/4

x = 2

I hope this was helpful! <3

Could I get brainliest?

you forgot an image

step-by-step explanation:

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x