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Mathematics
Deegan Khan
13 October, 15:08
4X-5y=13
6x + 2y = 48
Elimination
+2
Answers (
1
)
Charles Mccarty
13 October, 16:57
0
The answer to your question is: (7, 3)
Step-by-step explanation:
Equations
4x - 5y = 13 (I) 1. - Assign numbers to each equation
6x + 2y = 48 (II)
2. - Multiply (I) by 3 and (II) by - 2
12x - 15y = 39 (I) '
-12x - 4y = - 96 (II) '
3. - Sum the equations
0 - 19y = - 57
4. - Find y
y = - 57/-19
y = 3
5. - Find x
4x - 5 (3) = 13 Substitution
4x - 15 = 13 Simplifying
4x = 13 + 15
4x = 28
x = 28/4
x = 7
Result
(7, 3)
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