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Dvinal [7]
3 years ago
15

13 less than 8R leaves 43

Mathematics
2 answers:
jeka943 years ago
7 0

Answer:

r=7

Step-by-step explanation:

8r-13=43

Undo!

8r= 43+13

8r=56

r=56/8

r=7

zloy xaker [14]3 years ago
4 0

Answer:

8(7)-13=43

R= 7

Step-by-step explanation:

13 less than 8R leaves 43.

R is the unknown.

This expression can be in an equation.

8R-13= 43

Carry over the like terms. Carry over the -13 and make R the subject.

8R= 43+13

8R= 56

R= 56/8

R= 7

To check if the answer was correct, replace the unknown which is R with the value of what it is in brackets. Remember brackets mean to multiply.

8(7)-13= 43

56-13= 43

Therefore the answer is 7

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