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Solution: Apply the distributive property by multiplying only the terms grouped within the parentheses by 5. Because multiplication is commutative, we can also write the distributive property in the following manner: (b + c)a = ba + ca. Find the Perpendicular Line y=2x-7 , (7,-6) y = 2x − 7 y = 2 x - 7 , (7,−6) ( 7, - 6) Use the slope-intercept form to find the slope. See More Examples ». This creates a ± ± on the right side of the equation because |x| = ±x | x | = ± x. Please check the expression entered or try another topic. 3*1 - 3*2x = 4-6x And multiply the terms.