Ultimately, we wish to find the solution(s) to the following system of equations. 4x - 5y = 15 0.8x y = -3 First, we will graph each equation by hand using the slope-intercept form of an equation, y = mx + b, where y is the dependent variable and x is the independent variable. Write the first equation in slope-intercept form. 4x - 5y = 15 - 5y = y = x- Write the second equation in slope-intercept form. 0.8x - y = -3 -y = y = y = + 15 5 3 x + 3 +3

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