Answer:
x=-2
Step-by-step explanation:
7x - 4 = -18
+ 4. +4
7x = -14
÷7. ÷7
7x - 4 = -18?
7x = -18 + 4
x = -14 : 7
x = -2
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check
7 * (-2) - 4 = -18
-14 - 4 = -18
-18 = -18
the answer is good
