Respuesta :
[tex]5x+17=3x+7\ \ \ |-17\\\\5x=3x-10\ \ \ |-3x\\\\2x=-10\ \ \ \ |:2\\\\x=-5\\\\\text{Answer: D. x=-5}[/tex]
5x + 17 = 3x + 7
isolate the x, subtract 3x from both sides and 17 from both sides
5x (-3x) + 17 (-17) = 3x (-3x) + 7 (-17)
5x - 3x = 7 - 17
2x = -10
Isolate the x, divide 2 from both sides
2x/2 = -10/2
x = -10/2
x = -5
D. x = -5 is your answer
hope this helps
isolate the x, subtract 3x from both sides and 17 from both sides
5x (-3x) + 17 (-17) = 3x (-3x) + 7 (-17)
5x - 3x = 7 - 17
2x = -10
Isolate the x, divide 2 from both sides
2x/2 = -10/2
x = -10/2
x = -5
D. x = -5 is your answer
hope this helps