-5x + y = -5.....multiply by -2
-4x + 2y = 2
---------------
10x - 2y = 10 (result of multiplying by -2)
-4x + 2y = 2
-----------------add
6x = 12
x = 12/6
x = 2
-5x + y = -5
-5(2) + y = -5
-10 + y = -5
y = -5 + 10
y = 5
solution is (2,5)
10) 7(2m+3)
11) 3(3r-1)
12) 2p(5q+4)
Answer:disuxysidux
Step-by-step explanation:suussususu
Answer:
25.12
Step-by-step explanation: