6x - 9x = -21
-3x = - 21
x = -21 / -3
x = 7
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Answer: x = 4y/3+2
y = 0
Step-by-step explanation:
Answer:
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>tips and formulas:</h3>
- when two shapes are similar the rotio of two sides or area or parimeter is equal
<h3>let's solve:</h3>
let the parimeter of second shape be x