Answer:
x = -7
Step-by-step explanation:
Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other.
Add 11 to both sides:
x + (-11) = -18
x - 11 = -18
x - 11 (+11) = -18 (+11)
x = -18 + 11
Simplify. Combine like terms:
x = -18 + 11
x = -7
x = -7 is your answer.
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