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George Miller
Mathematics
28 November, 02:11
17 x (5+a) = 17 x b + 17 x 13
A = ?
B = ?
+5
Answers (
1
)
Javion Small
28 November, 02:28
0
a=-85/4
b=53/4
Step-by-step explanation:
17x (5+a) = 17xb+221. (1)
85+17xa=17xb+221
85 + (17xa) - (17xb) - 221=0
17xa-17xb=-136
17x (a-b) = -136
a-b=-8
a=-8+b. (2)
Replace a=-8+b to (1):
17x5x (-8+b) = 17xb+221
85x (-8+b) = 17xb+221
-680+85xb=17xb+221
-680+85xb-17xb-221=0
-68xb-901=0
-68xb=901
b=-53/4
Replace b=-53/4 to (2):
a = - 8 + (-53/4) = - 85/4
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