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KATRIN_1 [288]
3 years ago
13

Please help 4( 4 + 6a) = 136

Mathematics
2 answers:
marin [14]3 years ago
7 0
Your answer is going to be 22
valkas [14]3 years ago
3 0

Answer:

a=5

Step-by-step explanation:

1. Multiply 4 and 6a by 4.

You'll get 24a + 16.

2. Subtract 16 from 136.

You'll get 120.

3. Divide 120 by 24 to get <em>a</em> by itself.

\frac{120}{24}=a

a=5

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<h3>6 is a solution to equation 6x + 5 = 12 + 5x</h3>

<em><u>Solution:</u></em>

<em><u>Given equation is:</u></em>

6x + 5 = 12 + 5x

Try the numbers 4, 5, 6, 7 in the equation to test whether any of them is a solution

<em><u>Substitute x = 4</u></em>

6(4) + 5 = 12 + 5(4)

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29 \neq 32

Thus 4 is not a solution

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Thus 6 is not a solution

<em><u>Substitute x = 7</u></em>

6(7) + 5 = 12 + 5(7)

42 + 5 = 12 + 35

47 = 47

Thus 6 is a solution

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