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4(1 - x) + 2x = -3(x + 1)
simplify (remove brackets)
4 - 4x + 2x = -3x - 3
combine like terms (e.g -4x + 2x = -2x)
4 - 2x = -3x - 3
put constants and variables on separate sides of the equation
-2x + 3x = -3 - 4
simplify and get your answer!
x = -7