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stiv31 [10]
3 years ago
13

Y=-x/2-10 -2x-y=5 substitution

Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0
Put 1st equation into second
-2x -(x/2 - 10) = 5
-2x -1/2x + 10 = 5 combine like terms
-2.5x + 10 - 10 = 5 - 10
-2.5x = -5 divide both sides by 2.5
x = 2
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