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ValentinkaMS [17]
3 years ago
13

Solve for the values of x and y: y = 3x - 5 ........(i) and y = -x + 7 ........(ii)

Mathematics
1 answer:
Paraphin [41]3 years ago
6 0

Answer:

x= 3, y= 4

Step-by-step explanation:

y= 3x -5 -----(i)

y= -x +7 -----(ii)

Substitute (i) into (ii):

3x -5= -x +7

3x +x= 7 +5

4x= 12

x= 12 ÷4 <em>(</em><em>÷</em><em>4</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

x= 3

Substitute x= 3 into (ii):

y= -3 +7

y= 4

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