Answer:
B and C. can you select more than one?
3x -1/2y = -7/2
x = -2y + 1
3 (-2y + 1) -1/2y = -7/2
-6y +3 -1/2y = -7/2
-13/2y = -13/2
y = 1
x = -2(1) + 1
x = -1
Answer = (-1, 1)
Answer:
x=3
Step-by-step explanation:
Answer: 1, -4
Step-by-step explanation:
Move all the terms to the left side and set equal to zero. Then set each factor equal to zero. X= 1,-4
Answer:
X=5
Step-by-step explanation:
3x+9 is twice of 12 (24). 24-9=15, and 3*5=15, so x=5.