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Solve the equation
Answer
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$m-7-12m-9+3m = 14m-10-m+7$
$m = - \dfrac { 13 } { 21 }$
$ $ Solve a solution to $ m$
$\color{#FF6800}{ m } \color{#FF6800}{ - } \color{#FF6800}{ 7 } \color{#FF6800}{ - } \color{#FF6800}{ 12 } \color{#FF6800}{ m } \color{#FF6800}{ - } \color{#FF6800}{ 9 } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \color{#FF6800}{ m } = \color{#FF6800}{ 14 } \color{#FF6800}{ m } \color{#FF6800}{ - } \color{#FF6800}{ 10 } \color{#FF6800}{ - } \color{#FF6800}{ m } \color{#FF6800}{ + } \color{#FF6800}{ 7 }$
$ $ Organize the expression $ $
$\color{#FF6800}{ - } \color{#FF6800}{ 8 } \color{#FF6800}{ m } \color{#FF6800}{ - } \color{#FF6800}{ 13 } \color{#FF6800}{ m } = \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 16 }$
$\color{#FF6800}{ - } \color{#FF6800}{ 8 } \color{#FF6800}{ m } \color{#FF6800}{ - } \color{#FF6800}{ 13 } \color{#FF6800}{ m } = - 3 + 16$
$ $ Organize the expression $ $
$\color{#FF6800}{ - } \color{#FF6800}{ 21 } \color{#FF6800}{ m } = - 3 + 16$
$\color{#FF6800}{ - } \color{#FF6800}{ 21 } \color{#FF6800}{ m } = \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 16 }$
$ $ Organize the expression $ $
$\color{#FF6800}{ 21 } \color{#FF6800}{ m } = \color{#FF6800}{ - } \color{#FF6800}{ 13 }$
$\color{#FF6800}{ 21 } \color{#FF6800}{ m } = \color{#FF6800}{ - } \color{#FF6800}{ 13 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ m } = \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { 13 } { 21 } }$
Solution search results
search-thumbnail-Exercise $3.1$ 
Which of the following expressions are polynomials. If not give reason: 
$\left(i\right)$ $\dfrac {1} {x^{2}}+3x-4$ $\left(ii\right)$ $x^{2}\left(x-1\right)$ 
$\left(ii\right)$ $\dfrac {1} {x}\left(x+5\right)$ $\left(iy\right)$ $\dfrac {1} {x^{-2}}+\dfrac {1} {x^{-1}}+7$ $m^{2}-3\sqrt{m} +7m-10$ 
$\left(y\right)$ $\sqrt{5} x^{2}+\sqrt{3} x+\sqrt{2} $ $\left(Mi\right)$
7th-9th grade
Algebra
search-thumbnail-$Q24.$ Solve: $\dfrac {4} {x}+3m=14$ $\dfrac {3} {x}-4m=23$
10th-13th grade
Other
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