5(y+1) - 4(x+3) =29
7(y-3) + 2(x-6) =25
solve for x & y
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Answered by
1
Step-by-step explanation:
5(y-1)-4(x+3)=29
7(y-3)+2(x-6)=25
5y+5-4x-12=29
5y-4x=29+7
5y-4x=36
7y-21+2x-12=25
7y+2x=58
2(7y+2x=58)
14y+4x=116
14y+4x=116
5y-4x=36
adding,
19y=152
y=8
substitute in 14y +4x=116
14(8)+4x=116
4x=116-112
x=4/4
x=1
Answered by
2
Answer:
5(y+1)-4(x+3). = 29
5y+5-4x-12=29
5y-4x = 36. ----(1)
7(y-3) +2(x-6) =25
7y -21 +2x -12 =25
2x +7y = 58 -----(2)
adding (1) and (2)*2 we get
19y =152
y = 8
putting the value of y in (2) we get
2x +56 = 58
2x =2
x =1
Step-by-step explanation:
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