y=1/2x-3 solve for y when y = -1 please show format

Please show format on how to set up equation y=1/2x-3 solving for y when y = -1, also show format in solving problem y=1/2x-3 when x is equal to -2.
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y=1/2x-3 solve for y when y = -1 please show format
Please show format on how to set up equation y=1/2x-3 solving for y when y = -1, also show format in solving problem y=1/2x-3 when x is equal to -2.

There is nothing to show when y = -1. You have already stated the answer.

y = 1/2x - 3           when x = -2
y = 1/2(-2) - 3
y = -1 - 3
y = -4
by Level 11 User (78.4k points)

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