Question

2(5x - 7) = 8x + 15

one solution

b
no solution

c
infinite many solutions

Answer 1

infinite many solutions

`\sf \: 2(5x - 7) = 8x + 15`

`\: \:`

`\sf 10x - 14 = 8x + 15`

`\: \:`

`\sf \: 10x - 8x = 15 + 7`

`\: \:`

`\sf \: 2x = 8`

`\: \:`

`\sf \: x = \cancel(8)/(2)`

`\: \: \:`

`\boxed{\sf \: x = 4}`

Hope Helps~