What is the solution of the systems of equations. y=6x+7
3x-8y=4

put them in order
1.plug first equation in to second equation 3x-8(6x+7)=4
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2.solve for y; y=-1
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3.simplify x=-4/3
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4.add 56 to both sides -45x=60
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5.The system of equations has exactly one solution (-4/3,-1)
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6.combine like terms -45x-56=4
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7.substitute x into the first equation y=6(-4/3)+7
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8.divide both sides x=60/-45
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9.distribute 3x-48x-56=4