1.5x+0.1y = 6.2 and 3x-0.4y=11.2
Solve this by substitution method
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Answered by
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Step-by-step explanation:
1.5x + 0.1y = 6.2 3x - 0.4y = 11.2
15x + 1y = 62 30x - 4y = 112
15x+1y=62 * 2
30x-4y=112
30x + 2y= 124
(-)30x - (-)4y = (-)112
6y=12 15x+1y=62
y=2 15x+1(2)=62
15x=60
x=4
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