0
4X - 2X - 2 = - 42
preform the indicated variable subtraction ( 4X - 2X )
2X - 2 = - 42
add 2 to each side
2X = - 40
divide both sides integers by 2
X = - 20
-------------check in original equation
4(- 20) - 2(- 20) - 2 = - 42
- 80 + 40 - 2 = - 42
- 42 = - 42
---------------checks
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