Solve the following equation
7x+x+1=9
Solve for x
7x + x + 1 = 9
(7 + 1)x = 8x
8x + 1 = + 9
Group our constants 1 and 9. subtract 1 from both sides
8x + 1 - 1 = 9 - 1
8x = 8
x = 1
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