(5*4)+(8*3) where *indicates to multiply, and the equations in parenthesis(5*4 and 8*3) are done before you add them, so 5*4=A, 8*3=B, then A+B. Not doing your homework for you. AND USE THE COMPUTER CALCULATOR!!
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Points: (-3, 1) and (5, 6) Slope: (1-6)/(-3-5) = 5/8 Equation: y-1 = 5/8(x--3) => 8y-8 = 5(x--3) => 8y = 5x+23 Equation: y-6 = 5/8(x-5) => 8y-48 = 5(x-5) => 8y = 5x+23
4 + 5x = 1 5x = 1 - 4 5x = -3 x = -3/5 x = -0.6
-5(x + 2y) -3x + 8y + 5 = -5x -10y -3x + 8y + 5 = -8x -2y + 5
The given expression can be simplified to: x-5y
2x + 7 + 5x - 4 - x = (2x + 5x - x) + (7 - 4) = 6x + 3