Answer:
4(3)+y=20
Explanation:
4*3=12
Y= 3+5
3+5=8
12+8=20
x = 3
y = 8
ok we will substitute
y = x + 5
into the second equation
4x + y = 20
4x + (x + 5) = 20
5x + 5 = 20
5x = 15
y = x + 5 = 3 + 5 = 8
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