Answer:
D
Step-by-step explanation:
4X =2 X +6
=>X = 3
Answer:
x = 3
Step-by-step explanation:
7(x + 4) - 7 = 48 - 2x ← distribute parenthesis and simplify left side
7x + 28 - 7 = 48 - 2x
7x + 21 = 48 - 2x ( add 2x to both sides )
9x + 21 = 48 ( subtract 21 from both sides )
9x = 27 ( divide both sides by 9 )
x = 3
4 times 7 = 28
3 times 7 = 21
It will take him 21 days to make 28 bird houses.
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