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Use substitution method 8x+5y=9;3x+2y=4

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Use substitution method 8x+5y=9;3x+2y=4

Posted by Abhishek Gupta 4 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Krish Kourwar 4 years, 2 months ago

8x+5y=9 (1) 3x+2y=4 (2) By substitution method X=9-5y/8 (3) Substitute equation 3 in 2 3x+2y=4 3(9-5y/8)+2y=4 27-15y/8+2y=4 27-15y+16y=4×8 27+y=32 y=32-27 y=5 Place y=5 in equation 1 8x+5y=9 8x+5(5)=9 8x+25=9 8x=9-25 8x=-16 x=-16/8 x=-2

1Thank You

Armaan Armaan 4 years, 2 months ago

Y =5 X =2 Please like my answer

1Thank You

ANSWER

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CBSE > Class 10 > Mathematics

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CBSE > Class 10 > Mathematics