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Solving systems by substitution 3x + 4y = -3 x + 2 = -1
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1 vote
Solving systems by substitution

3x + 4y = -3
x + 2 = -1

User Robin Layfield
by
7.9k points

1 Answer

1 vote
X+2=-1
X+2-2=-1-2
x=-3

3(-3) + 4y = -3
-9 + 4y = -3
-9 + 9 + 4y = -3 + 9
4y = 6
4y / 4 = 6/4
Y=1.5

X is equal to -3
Y is equal to 1.5
User MataMix
by
7.1k points
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