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Mathematics
Cristal
26 October, 22:51
Y-32=-5/4 (x-32) math
+5
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Savanna Liu
27 October, 00:29
0
x=3 y=4
Step-by-step explanation:
x+y=7; x + 2y = 11
step: solve x + y = 7 for x:
x + y + - y = 7 + - y (add - y to both sides)
x = - y + 7
step: substitute - y + 7 for x in x + 2y = 11:
x + 2y = 11
-y + 7 + 2y = 11
y + 7 = 11 (simplify both sides of the equation)
y + 7 + - 7 = 11 + - 7 (add - 7 to both sides)
y = 4
step: substitute 4 for y in x = - y + 7:
x = - y + 7
x = - 4 + 7
x = 3 (simplify both sides of the equation)
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