Solve the system of equations \(\displaystyle{4}{x}+{2}{y}={46}\) \(\displaystyle{20}{x}-{3}{y}={9}\)

Aryan Salinas

Aryan Salinas

Answered question

2022-03-20

Solve the system of equations
4x+2y=46
20x3y=9

Answer & Explanation

Marcos Boyer

Marcos Boyer

Beginner2022-03-21Added 12 answers

Given:
4x+2y=46 (1)
20x3y=9 (2)
From the equation (1)
4x=462y
5×4x=(462y)×5
20x=5(462y)
Put this in the equation (2)
5(462y)3y=9
23010y3y=9
2309=13y
y=22113
y=17
For y=17, x=462×174
x=3

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