14x+2+40=21x-7

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Solution for 14x+2+40=21x-7 equation:


Simplifying
14x + 2 + 40 = 21x + -7

Reorder the terms:
2 + 40 + 14x = 21x + -7

Combine like terms: 2 + 40 = 42
42 + 14x = 21x + -7

Reorder the terms:
42 + 14x = -7 + 21x

Solving
42 + 14x = -7 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
42 + 14x + -21x = -7 + 21x + -21x

Combine like terms: 14x + -21x = -7x
42 + -7x = -7 + 21x + -21x

Combine like terms: 21x + -21x = 0
42 + -7x = -7 + 0
42 + -7x = -7

Add '-42' to each side of the equation.
42 + -42 + -7x = -7 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = -7 + -42
-7x = -7 + -42

Combine like terms: -7 + -42 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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