x = -2
Explanation:
x + 7/3 = 10/6
Multiply both sides by 3 so we can divide without getting decimals.
3x + 21/3 = 30/6
Then divide 3x + 21 by the denominator and 30 by 6
x + 7 = 5
Subtract 7 from each side to get x by itself
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