Answer:
x = 1
Explanation:
18 = 3 + 15 x
15 = 15x
PLUG IN THE 1 TO CHECK:
18 - 7 = 11
3 + 8 = 11
11 = 11
18 - 7x = 3 + 8x
-18 -18
-7x = -15 + 8x
-8x -8x
-15x (÷ -15) = -15 (÷ -15)
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