Solve the simultaneous equations 24x+27y=81 and 27x+24y= 21 and write write only answer in the form of (x,y).
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Answer:
X=36 Y=42
Step-by-step explanation:
3(24x+27y)=81. (8x+9x)=27×9____|
3(27x+24y)=21. (9x+8y)=7×8____||
72x+81y=243
72x+64y=56
145y=187
y=187-145
y=42
72x+64y=56___|
72x+64×42=56
72x+2688=56
72x=56-2688
72x=2632
x=2632÷72
x=36
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