2(21x − 7) + 4(3x + 2) = 6(2x + 9) + 3
42x - 14 + 12x + 8= 12x + 54 + 3
54x - 6= 12x + 57
54x=12x + 63
42x=63
x= 63/42
x= 3/2
The answer is -11/7 as a mixed number it is( -1 4/7)
Inequalities are expression not separated by an equal sign. None of the inequality is correct since there is absence of equal sign.
<h3>Graph of inequalities</h3>
Inequalities are expression not separated by an equal sign. According to the question, we ned the inequality's graph that will have a dashed boundary line.
An inequality that will have solid boundary line must include only the less than or equal to sign < or greater than or equal to > sign.
From the option given, none of the inequality is correct since there is absence of equal sign.
Learn more on inequality graph here: brainly.com/question/24372553
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Multiply by z to get
wz = xy
divide by x
y = wz/x
Answer:
81
Step-by-step explanation:
9 x 9 = 81