3 years ago

PLS HELP!!!

Mathematics

2 answers:

Keith_Richards [23]3 years ago

7 0

Answer:

Step-by-step explanation:

Debora [2.8K]3 years ago

5 0

5x + 3 = 6x + 1
-5x -5x
—
3 = x + 1
-1 -1
—
2 = x
i think

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4x+11y=7 4x+3y=-1 what are the steps

andreev551 [17]

Answer:

x = -1, y = 1

Step-by-step explanation:

Given that:

$\begin{bmatrix}4x+11y=7\\ 4x+3y=-1\end{bmatrix}$

Isolate x for 4x + 11y = 7 which ⇒ $x=\frac{7-11y}{4}$

Substitute $x=\frac{7-11y}{4}$ into the equation: which is:

$\begin{bmatrix}4\cdot \frac{7-11y}{4}+3y=-1\end{bmatrix}$

Drop Down to:

$\begin{bmatrix}7-8y=-1\end{bmatrix}$

Isolate y for 7-8y = -1: y = 1

Thus, $x=\frac{7-11y}{4}$

Substitute y = 1

Hence,

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Afina-wow [57]

Answer:

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