Answer:
x = 6 y = 15
Step-by-step explanation:
If this is simultaneous equations
x+y=21
3x-2y= -12
-3(x+y=21)
1(3x-2y= -12)
-3x -3y= -63
-5y= -75
y= -75/-5
y= 15
x+15=21
x=21-15
x=6
m is 3
n is 14
p is 2
trust me people
lol you also in mcp
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*b*(abc)=
you use the distributive property
that would be b
trust me just took the test
