Which of the Following is a solution to 7x-6y=19 (-5,-3) ,(7,5), (-4,0) (1,-2)
1 answer:
You might be interested in
Answer:
x = ± 2
Step-by-step explanation:
Given
x² + 5 = 3x² - 3 ( subtract x² + 5 from both sides )
0 = 2x² - 8 ( add 8 to both sides )
8 = 2x² ( divide both sides by 2 )
4 = x² ( take the square root of both sides )
x = ± = ± 2