3x + 5y = 1 . . . . . . . . (1)
7x + 4y = -13 . . . . . . .(2)
(1) x 7: 21x + 35y = 7 . . (3)
(2) x 3: 21x + 12y = -39 .(4)
(3) - (4) = 23y = 46
y = 46/23 = 2
Step-by-step explanation:
5x-7+3x+27=180
8x+20=180
8x=160
x=20°.
hope this helps you.
Answer:
it's two and three tenths / option a
Step-by-step explanation:
4-2 = 2
8-5 = 3
Step-by-step explanation:
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G(-8,1) X~(-8+4)/2=-2
H(4,5) Y~(1+5)/2=3
Midpoint-(-2,3)