42-(3c+4)=2(c+7)+7

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Solution for 42-(3c+4)=2(c+7)+7 equation:


Simplifying
42 + -1(3c + 4) = 2(c + 7) + 7

Reorder the terms:
42 + -1(4 + 3c) = 2(c + 7) + 7
42 + (4 * -1 + 3c * -1) = 2(c + 7) + 7
42 + (-4 + -3c) = 2(c + 7) + 7

Combine like terms: 42 + -4 = 38
38 + -3c = 2(c + 7) + 7

Reorder the terms:
38 + -3c = 2(7 + c) + 7
38 + -3c = (7 * 2 + c * 2) + 7
38 + -3c = (14 + 2c) + 7

Reorder the terms:
38 + -3c = 14 + 7 + 2c

Combine like terms: 14 + 7 = 21
38 + -3c = 21 + 2c

Solving
38 + -3c = 21 + 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 = 21 + 2c + -2c

Combine like terms: -3c + -2c = -5c
38 + -5c = 21 + 2c + -2c

Combine like terms: 2c + -2c = 0
38 + -5c = 21 + 0
38 + -5c = 21

Add '-38' to each side of the equation.
38 + -38 + -5c = 21 + -38

Combine like terms: 38 + -38 = 0
0 + -5c = 21 + -38
-5c = 21 + -38

Combine like terms: 21 + -38 = -17
-5c = -17

Divide each side by '-5'.
c = 3.4

Simplifying
c = 3.4

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