Answer:
okay will do that soon ...
The answer is x=1
Add the numbers
Combine like terms
Add
to both sides of the equation
Simplify
Divide both sides of the equation by the same term
The dashed boundary line means that the solutions are not on the boundary line. It is used for < and >
No because they're two separate shapes of different porportions. one is 5 cm x 9 cm and the other is 3 x 7 they're not similar. It's hard to explain but a shape that was 10 cm x 30 cm would be similar to the same shape that was 1 cm x 3 cm's.