X= 3x + 6 / 3 = 6 (im pretty sure)
Answer:
2.81
Step-by-step explanation:
Answer:
260 ok
Step-by-step explanation:
3+2x=5x-9
minus 2x both sies
3=3x-9
add 9 to both sides
12=3x
divide both sides by 3
4=x
Answer:
(-11, -12)
Step-by-step explanation:
we need one variable to x out
on the note of x, lets cancel out the xs
6x+3y=-102
3x+y=-45 < same as 6x+2y-90
6x+3y=-102
-
6x+2y=-90
y=-12
substitute y in
3x-12=-45
3x=-33
x=-11
(-11, -12)
Please give brainliest :)
