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melomori [17]
3 years ago
13

If x equals 3, then find the matching value for y. -7x-4y=-5

Mathematics
2 answers:
aliina [53]3 years ago
7 0

-7(3)-4y=-5

-21-4y=-5

-4y = 16

y=-4


pishuonlain [190]3 years ago
3 0
If x = 3 
- 7x - 4y = -5 is the same as -7*3 - 4y = -5
hence -21 - 4y = -5
           4y = -16
             y = -4
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