13x+11y=70
11x+13y=74
find x or y
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Answer:
13x + 11y = 70
11x + 13y = 74
Step-by-step explanation:
we will solve this question by elemination method
so multiply first equation by 11 and second equation by 13
143x + 121y = 770
143x + 169y = 962
subtract equation 2 from one
143x + 121y = 770
-143x + 169y = 962
- 48y = -192
y = 4
put the value of y in equation 1
13x + 11 (4) = 70
13x + 44 = 70
13x = 26
x = 2
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