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ad-work [718]
3 years ago
8

Solve for m. 5m + 3m - 8 = 64 a m = 9 b m = 2 c m = -2 d m = 5

Mathematics
2 answers:
Vesnalui [34]3 years ago
7 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{m = 9}}}}}

Option A is the correct option

Step-by-step explanation:

\sf{5m + 3m - 8 = 64}

Collect like terms

⇒\sf{8m - 8 = 64}

Move 8 to right hand side and change it's sign

⇒\sf{8m = 64 + 8}

Add the numbers

⇒\sf{8m = 72}

Divide both sides of the equation by 8

⇒\sf{ \frac{8m}{8}  =  \frac{72}{8} }

Calculate

⇒\sf{m = 9}

Hope I helped!

Best regards!!

algol [13]3 years ago
6 0

Answer:

\Huge \boxed{m=9}

Step-by-step explanation:

5m + 3m - 8 = 64

Combining like terms.

8m - 8 = 64

Adding 8 to both sides.

8m=72

Dividing both sides by 8.

m=9

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