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TEA [102]
3 years ago
8

How many solutions does the equation have ?

Mathematics
1 answer:
viktelen [127]3 years ago
4 0

Answer:

None

Step-by-step explanation:

Given

4(x - 2) + 4 = 2(2 + 2x) ← distribute parenthesis on both sides

4x - 8 + 4 = 4 + 4x, that is

4x - 4 = 4 + 4x ( subtract 4x from both sides )

0 - 4 = 4 ( add 4 to both sides )

0 = 4 ← not possible

Hence the equation has no solution

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Answer:

Sydney is 44 years old

Step-by-step explanation:

<u>Step 1:  Make a system of equations </u>

d = s - 15

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<u>Step 2:  Plug in s - 15 for d in the second equation and solve </u>

s - 15 + s = 73

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