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babymother [125]
3 years ago
13

What is the value of a in the equation 5a - 10b = 45, when b = 3?

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
4 0
Answer:

<span>a=15</span>

Explanation:

<span>5a−10b=45</span> , when <span>b=3</span>

Substitute the value of b into the equation.

<span>5a−10<span>(3)</span>=45</span>

Solve for a.

<span>5a−10<span>(3)</span>=45</span>

<span>5a−30=45</span>

<span>5a=75</span>

<span>a=<span>15</span></span>

<span><span>
</span></span>

<span><span>
</span></span>

<span><span>
</span></span>

<span><span>
</span></span>

Alona [7]3 years ago
4 0

What is the value of a in the equation 5a – 10b = 45, when b = 3?


3

15

21

39


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