Determine the value(s) of m so that the lines with equations 5x + 3y = 7 and y = mx + 2 intersect

at an angle of 52.4°. (nearest hundredth)

L1: 5x+3y=7 has slope

tanθ = -5/3, so θ = -59°

So, L2 needs a slope of tan(-6.6°) = -0.115
or tan(-111.4°) = 2.55