30 divided by 5 is 6, so the worm moves six inches per minute.
To solve the equation you need to isolate x onto one side of the equation.
I assume the equation is ( x / 2 ) + 1 = ( -5 )
First you subtract 1 from each side ( x / 2 ) + (1 - 1) = ( -5 ) - 1:
( x / 2 ) = -6
Next we have x over 2 so you multiply each side by 2 to isolate the x:
( 2x / 2 ) = -6 * 2
Which simplifies to x = -12
The solution to the equation is x = -12
Answer:
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The perimeter is 16 units
