Use order of operations or ----> PEMDAS (9.2-4.9÷7) +36.4 first divide -4.9 by 7 in the parenthesis. 9.2-0.7+34.6 now add -0.7 and 34.6 9.2+33.9 now add these numbers together and your answer is.... 43.1
graph of a linear equation is a line, two linear equations has no solution mean two lines has no intersect/common point, those two lines must be parallel
