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3 years ago

3-(2c-8)=7 pls answer asap my homeworks almost late i need an answer fast

Mathematics

2 answers:

Marrrta [24]3 years ago

7 0

Answer:

c=2

Step-by-step explanation:

hope it helps :)

Simplifying

3 + -1(2c + -8) = 7

Reorder the terms:

3 + -1(-8 + 2c) = 7

3 + (-8 * -1 + 2c * -1) = 7

3 + (8 + -2c) = 7

Combine like terms: 3 + 8 = 11

11 + -2c = 7

Solving

11 + -2c = 7

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-11' to each side of the equation.

11 + -11 + -2c = 7 + -11

Combine like terms: 11 + -11 = 0

0 + -2c = 7 + -11

-2c = 7 + -11

Combine like terms: 7 + -11 = -4

-2c = -4

Divide each side by '-2'.

c = 2

Simplifying

c = 2

nika2105 [10]3 years ago

6 0

Answer:

Step-by-step explanation:

3 - 2c + 8 = 7

-2c + 11 = 7

-2c = -4

c = 2

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