Solve the following pair of equations 7 x minus 5 Y is equals to 11 and 3 X + 4 Y equal to 17
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Step-by-step explanation:
7x-5y=11 ....( 1)
3x+ 4y=17 .....(2)
(2)......
x = 17 - 4y \3............(3)
(1).......
7(17 - 4y) \3 - 5y = 11
119 - 28y - 15y \div 3 = 11
119 - 43y \div 3 = 11
119 - 43y = 33
43y = 119 - 33
43y = 86
y = 86 \43
y = 2
...(3)___
x=17-4(2)/3
x=17-8/3
x=9/3
x=3
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