Question

Solve the following simultaneous equations.
1. (a) x + y = 10
(b) 3x - 4y = 10
x-y=12
4x + 3y = 5
(c) 3a - 2b = 12
4a - 5b = 16​

Answer 1

1) x+y=10

x-y=12

add these 2 equations

we get 2x= 22

x= 11

Answer 2

Answer:

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