alonnachambon
27.01.2021 •
Mathematics
Please this for me I don’t get it :/
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Ответ:
x = 3
Step-by-step explanation:
-5x + 10 = -5
-10 -10
-5x = -15
divide by -5
x = 3
Ответ:
r+b=27
r=-5+3b
r=3b-5
subsitute 3b-5 for r in first equation
3b-5+b=27
4b-5=27
add 5
4b=32
divide by 4
b=8
subsitute
b+r=27
8+r=27
subtracct 8
r=19
red=19
blue=8