How do you solve the following linear system: #2x-y=2, 6x-y= -2 #?

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How do you solve the following linear system: #2x-y=2, 6x-y= -2 #?

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Answer 1 · 2015-12-30T11:32:55

By substitution #x = -1, y = -4#

Explanation:

Rearrange one of the expressions to get y on its own on the LHS, then substitute in the other equation.
#y = 2x - 2#
Then #6x -(2x-2) = -2#
4x = -4# #x=-1#

Then #y = 2(-1) - 2 = -4#

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How do you solve the following linear system: #2x-y=2, 6x-y= -2 #?

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