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Asked by
Terri
solve by substitution method:
9x+7y=4
x=23-4y
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Answered by
Sameul
just plug in the x value in the x in the first eqaution and solve
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Substitution method: Solve with the solution: y=8x-12 -4x-4y=-8
Substitution method: Solve with the solution: with checking y=8x-12 -4x-4y=-8