The y-intercept given line equation is 5.9.
Given that, the line of the equation is y-2.1x+5.9.
We need to find the y-intercept of the line.
The standard form of slope-intercept form is y=mx+c.
Where, m=slope and c=y-intercept.
Using the slope-intercept form to find the y-intercept, we get c=5.9.
Hence, the y-intercept given line equation is 5.9.
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