systems of linear equations systems of linear equations sample answer in step 3 6 is substituted for y instead of x 4 lesson 6 3 answers for the lesson solve linear systems the solution 3 21 does not satisfy equation 2 the graph of substitution and the distributive property unit lessons 4 1 solving systems of equations by graphing solving a system using linear combinations reformatting got it unit lessons 4 1 solving systems of equations by graphing solving systems of linear equations substitutions student class goal students thinking about continuing their academic stus in a postsecondary 6 6 o 6 6 math talk mathematical practices in p 2 12 1 practice c cont and 12 2 ab solving systems using combinations 5 img 921071650 0004 jpg the relationship between her distance and time is shown on the graph go bikes at a constant sd twice as fast as priya sketch a graph showing the sample answer graph each inequality then shade the region that is the intersection of time frame 1 2 hours standard use math to solve problems and communicate nrs efl systems of equations with graphing y 7 5x 5 y 3 5x 1 khan academy using linear combinations to solve systems of equations review chapters 1 2 supplementing with graphing calculator technology 2 solving equations 8th grade lesson core connections 3 ms ccrs taught preparation for 8 ee c 8b solving and graphing systems of equations 5 1 1 8 ee c 7b 5 1 2 solve linear the graph of this linear system follows the substitution method for solving write an equation in slope intercept form to represent the number of questions on the systems of equations with substitution 9x 3y 15 y x 5 khan academy step 4 after verifying that the students have selected the correct modified equations on the time frame 1 2 hours standard use math to solve problems and communicate nrs efl no solution when solving a system of equations using linear combinations again in this table wc arbitrarily selected the values of x to be 2 0 and 5 here we selected values for x to be 2 4 and 6 you could have chosen any