X/4+y/3=2, 4x+3y=25 solve by multiplication x=4 and y=3
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Answer:
X = 4 , Y = 3
Step-by-step explanation:
x / 4 + y / 3 = 2
3x + 4y / 12 = 2
3x + 4y = 24
X Y -1
B C A B
4 24 3 4
3 25 4 3
X / ( 25 * 4 ) - ( 24 * 3 ) = Y / ( 24* 4 ) - ( 25 * 3 ) = -1 / (3*3) - ( 4*4 )
X / 100 - 72 = Y / 96 - 75 = -1 / 9 - 16
X / 28 = Y / 21 = -1 / -7
X / 28 = -1 / -7
-7x = -28
therefore , x = 4
Y / 21 = -1 / -7
-7y = -21
therefore , y = 3
THEREFORE X = 4 , Y = 3
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