13x = 91
To solve for x, divide both sides of the equation by 13.
13x/13 = 91/13
x = 91/13 = 7
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6x2+13x-5 = 0 (2x+5)(3x-1) = 0 x = -5/2 or x = 1/3
3x + 10x - 48 = 0 13x = 48 x = 3.692307692
Add the coefficients of the variable term X. 2 + 3 + 8 = 13X
13(x + 50) = 30 13x + 650 = 30 subtract 650 to both sides; 13x = -620 divide by 13 to both sides; x = -620/13
3x2+13x-10 = (3x-2)(x+5) when factored