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

Deegan Chase

Deegan Chase

Answered question

2022-03-20

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

Answer & Explanation

Aaliyah Phillips

Aaliyah Phillips

Beginner2022-03-21Added 9 answers

4x+2y=46 (1)
20x3y=9 (2)
Multiply equation (1) by 5
20x+10y=230 (3)
Subtract equation (3) and (2)
13y=221
y=22113
y=17
Then,
20x=9+3y
20x=9+3(17)
20x=60
x=6020=3
The answer is (3,17)

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