Solve for X 7(X-3)+3(4-X)=-8

1 answer:

7 0

$7(x-3)+3(4-x)=-8\\\\7x-21+12-3x=-8\\\\4x-9=-8\ \ \ \ |add\ 9\ to\ both\ sides\\\\4x=1\ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{x=0.25}$

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Angie, a student in an advanced statistics course, was given an algebra test and she scored 80%.

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