42-(3c+4)=4*2+2c

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Solution for 42-(3c+4)=4*2+2c equation:


Simplifying
42 + -1(3c + 4) = 4 * 2 + 2c

Reorder the terms:
42 + -1(4 + 3c) = 4 * 2 + 2c
42 + (4 * -1 + 3c * -1) = 4 * 2 + 2c
42 + (-4 + -3c) = 4 * 2 + 2c

Combine like terms: 42 + -4 = 38
38 + -3c = 4 * 2 + 2c

Multiply 4 * 2
38 + -3c = 8 + 2c

Solving
38 + -3c = 8 + 2c

Solving for variable 'c'.

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

Add '-2c' to each side of the equation.
38 + -3c + -2c = 8 + 2c + -2c

Combine like terms: -3c + -2c = -5c
38 + -5c = 8 + 2c + -2c

Combine like terms: 2c + -2c = 0
38 + -5c = 8 + 0
38 + -5c = 8

Add '-38' to each side of the equation.
38 + -38 + -5c = 8 + -38

Combine like terms: 38 + -38 = 0
0 + -5c = 8 + -38
-5c = 8 + -38

Combine like terms: 8 + -38 = -30
-5c = -30

Divide each side by '-5'.
c = 6

Simplifying
c = 6

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