using the method of substitution solve 3a=7-b 3a=5-b.

3a=7-b

3a=5-b
in order of operations by

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1 Answer

Both equations are equal to the same quantity so we can write: 7-b=5-b, but if we add b to both sides we end up with 7=5 which is never true, so the equations are inconsistent and can't be solved.

by Top Rated User (1.2m points)

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