b)
7(y + 3) - 2 (x + 2) = 14;
4(y-2) + 3(x - 3)=2
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Answer:
Step-by-step explanation:
7y+21-2x+4=14
7y+21-2x=10
7y-2x=-11 ----->eq 1
4y-8+3x-9=2
4y+3x=19 ------>eq 2
4(eq 1) and 7(eq 2)
28y-8x=-44 ------->eq 3
28y+21x=133 ------->eq 4
Subtract eq 3 and 4 then the value after subtraction is
-13x=-177
x=13.6153846154
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