A variable being multiplied
Step-by-step explanation:
let the angle in 3rd quadrant be X
x+2=180
Answer:
see explanation
Step-by-step explanation:
Given
4x + 3x ← x is common to both terms and can be taken out as a common factor, that is
4x + 3x = (4 + 3)x = 7x
That seems as if it is something that should be entered into a spreadsheet such as Excel or Open Office.