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MArishka [77]
3 years ago
10

Solve For 3x-18=42 (please & thank you)

Mathematics
2 answers:
kykrilka [37]3 years ago
8 0
X=20

42+18=60
60-18=42

X= 60 divide by 3
lana [24]3 years ago
6 0
3x-18=42
-18=-18
3x= 24
/3. /3
x=8
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Determine the slope and y-intercept of the linear equation 2x - y = 4
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The equation of a horizontal line is y=value. The slope of a horizontal line is 0. The y-coordinate of every point on the graph of a horizontal line is value (the one from y=value). The equation of a vertical line is x=value. The slope of a vertical line is undefined. The x-coordinate of every point on the graph or vertical line is value (x=value). The general form of the equation of a line is ax+by=c. Every line has an equation that can be written in slope-intercept form. When a graphing utility is used to sketch a straight line, the graph of the line may not visually appear to have the slope indicated by its equation because  the tick marks are not equally spaced

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