solve using substitution y=6x+8 and y=-x+1
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Solve the system of equations by using substitution y= -8x-1 y=6x+6
y=-8x-1
y=6x+6
Answer:
We can substitute y in the second equation by -8x-1:
y = 6x + 6
-8x -1 = 6x +6
-1 -6 = 6x + 8x
-7 = 14x
-7/14 = x
-1/2 = x
This value of x can then be used to find y by substituting x by -1/2 in the first equation:
y = -8x - 1
y = -8(-1/2) -1
y = 4 -1
y = 3
The solution of the linear system is (-1/2, 3).
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