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Natalija [7]
3 years ago
12

2m+7/4(3/4m-5/2)=3/32+1/3m

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0

Answer:

m=3/2

Step-by-step explanation:

erik [133]3 years ago
5 0

For this case we have the following equation:

2m + \frac {7} {4} (\frac {3} {4} m- \frac {5} {2}) = \frac {3} {32} + \frac {1} {3} m

We apply distributive property on the left side of the equation:

2m + \frac {21} {16} m- \frac {35} {8} = \frac {3} {32} + \frac {1} {3} m

We add similar terms from the left side:

\frac {53} {16} m- \frac {35} {8} = \frac {3} {32} + \frac {1} {3} m

Add\frac {35} {8}to both sides:

\frac {53} {16} m = \frac {3} {32} + \frac {1} {3} m + \frac {35} {8}

We subtract \frac {1} {3} m from both sides:

\frac {53} {16} m- \frac {1} {3} m = \frac {3} {32} + \frac {35} {8}\\\frac {143} {48} m = \frac {1144} {256}\\143m = \frac {1144 * 48} {256}

We simplify:

143m = \frac {54912} {256}\\143m = \frac {13728} {64}\\143m = \frac {3432} {16}\\143m = \frac {858} {4}\\143m = \frac {429} {2}

We divide between 143 on both sides:

m = \frac {429} {2 * 143}\\m = \frac {429} {286}\\m = \frac {33} {22}\\m = \frac {3} {2}

Answer:

m = \frac {3} {2}

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