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26 votes
26 votes
3c + 4c+ - 13 = 1 Plzz help

User Nisc
by
2.7k points

2 Answers

16 votes
16 votes

Answer:

c=2

Explanation:

collect like terms 3c+4c=7c

move the constant to the right and change its sign(-13 becomes 13)

then add 1+13=14

next divide both sides of the equation by 7

14÷7=2

User Brendo
by
2.9k points
14 votes
14 votes

Answer:

C=2

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3C + 4C + -13 = 1

(3C + 4C) + (-13) = 1

Combine like terms.

7C + -13 = 1

Add 13 to both sides.

7C = 14

Divide both sides by 7.

C = 2

User CezarySzulc
by
3.1k points