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Sagot :
Answer:
y = 30, x = 10
Step-by-step explanation:
y = 3x...eqn i
x = -2y + 70...eqn ii
Now,
Substituting eqn i in eqn ii,
x = -2y + 70
or, x = -2(3x) + 70
or, x = -6x + 70
or, x + 6x = 70
or, 7x = 70
so, x = 10
Now,
y = 3x = 3 * 10 = 30
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