An example of a system of two linear equations is shown below We use a brace to show the two equations are grouped together to form a system of equations {2x y = 7 x − 2y = 6 A linear equation in two variables, such as 2x y = 7, has an infinite number of solutions Its graph is Find the number of students in each class QUse the method of substitution to solve each other of the pair of simultaneous equation 1} x4y=4 and 3y5x=1 QUse the method of substitution to solve each other of the pair of simultaneous equation 1} 2x9y=9 and 5x2t=27 Please solve 2x3y=12, 2x3y=6 13d16g=6 & 32d25g=30solveSolve by Addition/Elimination x2y=3 2x3y=9 x − 2y = 3 x 2 y = 3 2x − 3y = 9 2 x 3 y = 9 Multiply each equation by the value that makes the coefficients of x x opposite (−2)⋅ (x−2y) = (−2)(3) ( 2) ⋅ ( x 2 y) = ( 2) ( 3) 2x−3y = 9 2 x 3 y = 9 Simplify Tap for more steps Simplify ( − 2) ⋅ ( x − 2 y
3 X 1 Y 9 0 2 X 3 Y 5 Mathematics Topperlearning Com G53lykpp
