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krok68 [10]
3 years ago
12

ss="latex-formula">
Mathematics
2 answers:
Ierofanga [76]3 years ago
7 0

Answer:

\boxed{ \bold{ \huge{ \boxed{  \sf{m  = 0.75}}}}}

Step-by-step explanation:

\sf{ - 2m - 5m = 9m - 12}

Collect like terms

⇒\sf{ - 7m = 9m - 12}

Move 9m to left hand side and change it's sign

⇒\sf{ - 7m - 9m =  - 12}

Collect like terms

⇒\sf{ - 16m =  - 12}

Divide both sides of the equation by -16

⇒\sf{ \frac{ - 16m}{ - 16}  =  \frac{ - 12}{ - 16} }

Calculate

⇒\sf{ m = 0.75}

Hope I helped!

Best regards!!

Blababa [14]3 years ago
6 0

Answer:

- 2m - 5m = 9m - 12 \\  ⟶   - 2m - 5m - 9m =  - 12 \\   ⟶  - 16m =  - 12 \\  ⟶  - m =  \frac{ - 12}{16}  \\  ⟶ - m =  \frac{ - 6}{8}  \\  ⟶ m =  - ( - \frac{6}{8} ) \\   ⟶m =  \frac{6}{8}

m=0.75

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