if 6x-5y=13, 7x+2y=23 than 11x+18y=
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Answer:
51
Step-by-step explanation:6x - 5y = 13 ...(I)
7x + 2y = 23 ...(II)
Multiply equation (I) with 7 and (II) with 6
Therefore, 7(6x−5y=13)
42x - 35y = 91
42x + 12y = 138
- 47y = -47
y = 1
Therefore, x = 3
Therefore, 11x + 18y
= 11×3+18×1=33+18=51
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