solve the equation 1/4(16+12x)=28 by first using the distributive property the equivalent equation is found by distributing the 1/4 to get the first step is the second step is the answer is

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld