MATH SOLVE

3 months ago

Q:
# Simultaneous equations: 1. 2x+2y=10X+2y=62. 3x+y=182x+y=133. X+y=1X-y=54. 3x+4y=29X-4y=-175. 4c+3y=112x+y=7

Accepted Solution

A:

Answer:1. x = 4 and y = 12. x= 5 and y = 3Use the examples below to complete 3 and 4.Step-by-step explanation:To solve each system of equations, use elimination.1. Stack the equations and subtract to perform elimination. 2x + 2y = 10- x + 2y = 6------------------------- x = 4Substitute x = 4 into an equation to solve for y. 2(4) + 2y = 108 + 2y = 102y = 2y = 12. Stack the equations and subtract to perform elimination. 3x + y = 18- 2x + y = 13------------------------- x = 5Substitute x = 5 into an equation to solve for y. 3(5) + y = 1815 + y = 18y = 3Continue the same method for numbers 3 and 4.