3 Solve for x. -2x + 6 + 4x = -12

Question

3
Solve for x.
-2x + 6 + 4x = -12

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Neala 4 years 2021-07-31T21:38:19+00:00 1 Answers 5 views 0

Answers ( )

    0
    2021-07-31T21:39:44+00:00

    x=-9

    -2x+6+4x=-12
    combine like terms
    2x+6=-12
    subtract 6 from both sides
    2x+6-6=-12-6
    simplify
    2x=-18
    divide both sides of the equation
    2x/2= -18/2
    simplify
    x=-9

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )