3x + 1 < 7...subtract 1 from both sides
3x < 7 - 1
3x < 6 ...divide both sides by 3
x < 6/3
x < 2
there will be an open circle on 2....because the problem has no equal sign...the line will be shaded to the left...because it is less then.
You would use the number 1.4 and multiply it by the number you are trying to increase.
If the triangle was a right triangle, then you can use the Pythagorean theorem to find the lengths.
Answer: 6
Step-by-step explanation:
