$Greatest\ common\ factor\ is\ the\ highest\ number\ by\ witch\ 60\ and\ 90\\can\ be\ divided\\\\
60:2\\
30:2\\15:3\\5:5\\\\
90:2\\
45:3\\
15:3\\5:5\\\\GCF=2*3*5=30\\\\Greatest\ common\ factor\ of\ 60\ and\ 90\ is\ equal\ to\ 30
$

4 0

3 years ago

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What is 9(x + 8) + x(5+4)

lina2011 [118]

Answer:

72+ 18x

Step-by-step explanation:

9x+72+5x+4x

72+ 18x

7 0

3 years ago

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Solve the equation 6(3x + 4) = 4x − 4.

emmasim [6.3K]

Answer:

x = - 2

Step-by-step explanation:

Given

6(3x + 4) = 4x - 4 ← distribute parenthesis on left side

18x + 24 = 4x - 4 ( subtract 4x from both sides )

14x + 24 = - 4 ( subtract 24 from both sides )

14x = - 28 ( divide both sides by 14 )

x = - 2

7 0

3 years ago

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