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5(x - 2) - x + 9 = 19
First, distribute the 5 to terms inside the parentheses:
5x - 10 - x + 9 = 19
Combine like terms:
4x - 1 = 19
To isolate x, subtract 1 from both sides:
4x = 20
Then divide both sides by 4:
x = 5