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larisa86 [58]
3 years ago
6

For the following system of equations what is the x-value of the solution -x+2y=6 6y=x+18

Mathematics
1 answer:
vredina [299]3 years ago
3 0
Write the equations in standard form to not get confused.
-x + 2y = 6........ 1.
 x -  6y = -18....... 2.

add these equation, x will cancel out and you will be left with,
-4y = -12
y = 3
plug this value of y in either 1 or 2. lets plug it in 2,
x - 6(3) = -18
x = -18 + 18 = 0
∴x = 0
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Please help with this question, thank you
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Remark
The key step is just to subtract 5 from both sides. The pointed of the inequality still points away from the variable and towards the number. As long as that remains true, the correct answer can be found.

Solution
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2.7 - 5 ≤ b
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