solve it . please i will Mark's as brainliest
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solution
3 ( x + 1 ) - 2 ( x - 3 ) = 30
3x + 3 - 2 ( x - 3 ) = 30
3x + 3 - 2x + 6 = 30
x + 3 + 6 = 30
x + 9 = 30
x = 30 - 9
x = 21
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