Step-by-step explanation:
4(x+9)
=4x+36
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Answer: 4x+36
1- 4 times x=4x
2- 4 times 9=36
3- so it is 4x+36
Answer:
y = (5x – 9) ÷ (–4)
3 − 4y = 5x − 6
–3 –3–4y = 5x – 9
÷(–4) ÷(–4)
Answer: 475 Add 5 more.
6×2+3×7=33
12+21=33
33=33
equal
4×2+7=15
8+7=15
15=15
x=2,y=7
