Nurmaganbetova Ж. , Аshirbayev .Н. , Polatbek .А. and Bаidibekova А. 2020. PPROBLEMS OF PHYSICAL CONTENT, REDUCED TO A SYSTEM OF LINEAR EQUATIONS WITH TWO VARIABLES . Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences. 72, 4 (Dec. 2020), 48–55. DOI:https://doi.org/10.51889/2020-4.1728-7901.07 .