Solve simultaneous equations by graphical method, Mathematics

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Solve the following pairs of simultaneous equations by elimination method

i.2x+y=10

ii. 3x+y=6

3x-2y=1 5x+y=8

solve the following simultaneous equations by graphical methods

i.2x-y=1 ii. x+y=3

X+y=2 x-y=1

b) Solve the following inequalities

i) 5x>12

ii) 6x+4≥2

iii) 2x-5≤1/2

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