Question

Practice for Perfection
1.
Solve for x and y
7x-15y = 2; x + 2 y = 3
2.
Solve for x and y:
78-2-y=2, 8-37-7
3
Solve the following pair of linear equation by the substitution method :
3x-Y+2+2 =10,
3x+3y = 65, find the value of -
Solve for x & y
Solve the following pair of linear equation by the substitution method:
x + y-8 x+2y-14 3x + y-12
2311
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Answer 1

Answer:

Step-by-step explanation:

Ur 2nd qns is incorrect...

And 4 h qns is not clr .. clear the signs... plz