The equation 3/4 [x-1]=[-3] is equivalent to?

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

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