Question

4x +2=7y and 2x+3y=92 find x and y graphically​

Answer 1

can I do it with simple method..???

Answer 2

Step-by-step explanation:

4x + 2 = 7y

4x - 7y = -2 .......(1) and 2x + 3y =92

from the equation (1)

4x- 7y = -2

x= (-2 +7y)/4

x = (-2 +7y)/4 put on equation (2)

2x + 3y = 92

2( -2 +7y)/4 + 3y =92

-4+ 14y/4 + 3y = 92. [ multiply both side by 4]

-4 + 14y/4 × 4 + 3y = 92 ×4

-4 + 14y + 3y = 368

14y + 3y = 368 + 4

17y = 372

y = 21.882

y= 21.882 put on equation (3)

x = (-2 + 7y)/4

= (-2 + 7× 21.882)/4

x = 37.793

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