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solving systems by substitution.

Algebra
Tutor: None Selected Time limit: 1 Day

y=-4x

y-=2x-3

Apr 3rd, 2015

Substitute y = -4x for y in y = 2x - 3

Then,

-4x = 2x - 3

Subtract 2x from both sides to get

-6x = -3

Divide both sides by -6 to get

x = -3/-6 = 3/6 = 1/2


Apr 3rd, 2015

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