charlesrogers38
02.02.2020 •
Mathematics
Just want to know if i got them right.i got 100 for number one
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Answers on questions: Mathematics
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Ответ:
5x+10=510
510-10=500
5x/5=500/5
x=100
4(2c+5)=28
8c+20=28
8c/8=8/8
c=1
3(x-5)=30
3x-15=30
3x=45
3x/3=45/3
x=15
n(3+4)=84
n3+n4=84
n7/7=84/7
n=12
5(b-3)=10
5b-15=10
5b=25
5b/5=25/5
b=5
1.5(2y+5)=__?
y=__?
Ответ:
2. C= 1
3. X= 11
4. M= 12
5. B= 5
6. Y= 3
Work:
1). 5(x + 2) = 510
5(100 + 2)= 510
5(102)=510
X=100
Please mark brainliest
Ответ: