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Lesechka [4]
3 years ago
7

Solve the simultaneous equations: 4x - y = 22 3x + 4y = 26

Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0
4x - y= 22 /x 4
<u>3x+4y=26
</u>
16x - 4y = 88 }+
3x + 4y = 26

16x + 3x - 4y + 4y = 88 + 26
19x = 114 / :19
<u>x = 6

</u>3x + 4y = 26
4y = 26 - 3*6
4y = 8 /: 4<u>
y = 2</u>
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