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Stage 1 - Stage 3

Consider this system of equations.

Equation 1 | $\frac{4x}{5}+\frac{3y}{5}=4$4x5+3y5=4 |

Equation 2 |
$8x-3y=5$8 |

Which operation will change the fractional coefficients to integer coefficients in this system of equations?

Multiply **Equation 2** by $5$5.

A

Multiply **Equation 1 **by $5$5.

B

Divide **Equation 2** by $3$3.

C

Divide E**quation 1** by $3$3.

D

Easy

< 1min

Consider this system of equations.

Equation 1 | $\frac{2x}{5}+\frac{3y}{5}=-\frac{7}{5}$2x5+3y5=−75 |

Equation 2 |
$-\frac{1}{4}\left(-5x+\frac{7y}{9}\right)=2$−14(−5 |

Easy

< 1min

Consider the following system of equations.

Equation 1 | $3x+7y=-6$3x+7y=−6 |

Equation 2 | $2x-y=-17$2x−y=−17 |

Suppose we want to solve this system by using the **elimination **method and eliminating $y$`y`.

Easy

1min

Consider the following system of equations.

$-8x$−8x |
$-$− | $y$y |
$=$= | $0$0 |

$-5x$−5x |
$+$+ | $3y$3y |
$=$= | $6$6 |

We are solving this system using the **elimination **method.

Easy

2min

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