Answer:
A. 0
Step-by-step explanation:
Nothing can be equal to itself if you subtract 9 from it.
First use distributive property. Then isolate the variable and get x=2.
Answer:
D is the answers for the question
Step-by-step explanation:
please mark me as brainlest
I think you left out something, is it -4x+1
Hey there!
Assuming #1 ….
x + 7x + x = 180°
REWORD
1x + 7x + 1x = 180°
COMBINE the LIKE TERMS
(1x + 7x + 1x) = 180°
8x + 1x = 180°
9x = 180°
DIVIDE 9 to BOTH SIDES
9x/9 = 180/9
CANCEL out: 9/9 because it equal 1
KEEP: 180/9 because it give you the x-value
NEW EQUATION: x = 180/9
SIMPLIFY IT!
x = 20
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Good luck on your assignment & enjoy your day!
~Amphitrite1040:)