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2 years ago

Slove the equation -3x+1+10x=x+4

Mathematics

2 answers:

arlik [135]2 years ago

6 0

Answer:

Step-by-step explanation:

kakasveta [241]2 years ago

3 0

Answer:

$x=2$

Step-by-step explanation:

$-3x+1+10x=x+4$

$-3x+10x-x=4-1$

$6x=3$

$x=2$

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$\large\begin{array}{l} \textsf{Simplify the expression (I'm goint to call it E)}\\\\ \mathsf{E=\sqrt{4a-4}+\sqrt{a-1}} \end{array}$

$\large\begin{array}{l} \textsf{So E is a sum of two square roots. Notice that you can factor}\\\textsf{the 4 out on the first one:}\\\\ \mathsf{E=\sqrt{4\cdot a-4\cdot 1}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{4\cdot (a-1)}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{2^2\cdot (a-1)}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{2^2}\cdot \sqrt{a-1}+\sqrt{a-1}}\\\\ \mathsf{E=2\cdot \sqrt{a-1}+\sqrt{a-1}} \end{array}$

$\large\begin{array}{l} \mathsf{E=2\cdot \sqrt{a-1}+1\cdot \sqrt{a-1}}\\\\ \mathsf{E=(2+1)\cdot \sqrt{a-1}}\\\\ \boxed{\begin{array}{l}\mathsf{E=3\cdot \sqrt{a-1}} \end{array}} \end{array}$

If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2179170

$\large\textsf{I hope this helps. :-)}$

Tags: <em>square root sqrt simplify expression radical irrational algebra</em>

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