10 + 5 (x - 3) = 3 (x + 1)
5x - 5 = 3x + 3
5x - 5 + 5 = 3x + 3 + 5
5x = 3x + 8
5x - 3x = 3x + 8 - 3x
2x = 8
[tex]\frac{2x}{x\\}[/tex] = [tex]\frac{8}{2}[/tex]
x = 4
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10 + 5 (x - 3) = 3 (x + 1)
5x - 5 = 3x + 3
5x - 5 + 5 = 3x + 3 + 5
5x = 3x + 8
5x - 3x = 3x + 8 - 3x
2x = 8
[tex]\frac{2x}{x\\}[/tex] = [tex]\frac{8}{2}[/tex]
x = 4