Someone help me pls, i dont understand it
2 answers:
Answer:
see below
Step-by-step explanation:
9x+20 =20
Subtract 20 from each side
9x+20-20 = 20-20
9x = 0
Divide each side by 9
9x/9 = 0/9
x = 0
Answer:
9x = 0, x = 0
Step-by-step explanation:
9x + 20 = 20
9x + 20 - 20 = 20 -20 .......subtract 20 from both sides
9x = 0
9x + 20 = 20
(9x+20)/9 = 20/9 .......divide 9 from both sides
x + 20/9 = 20/9
x = 0
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