Answer:
x=-2
Step-by-step explanation:
x-27 = 7x -15
subtract x from both sides
-27=6x-15
add 15 to both sides
-12=6x
divide both sides by 6
-2=x
x=-2
It should be A
Angle b=angle g
6x+8=4x+12
2x=4
Answer:
(- 4, 3 )
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x ) , then
(3, 4 ) → (- 4, 3 )
Answer: Ten more than twice a number is 34.
Step-by-step explanation:
it would be ten plus 2 times x=34, but we dont know that number, so we replace it with a variable.
2x+10=34
