Answer:
x=-8 and y=9
Step-by-step explanation:
rewrite the equations to x+2y=10,3x+4y=12
sub 2y from both sides x+2y-2y=10-2y
substitue x=10-2y in 3x +4y=12
3(-2y+10)+4y=12
distribute
add-30 to both sides
divide both sides by -2
y=9
sustitute 9 for y in -2y+10=x
x=-8
Answer:xcvxvxcvxcvxcvc
Step-by-step explanation:
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Answer:
1, answer ..
b, 50% because add this
40+10=50
Step-by-step explanation:
and 2nd one i dont know but i studied it i did not remember
I’m gonna say put in the calculator 2x the hams age and then put -12 -5.
