7x+2=-7+4x+21

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Solution for 7x+2=-7+4x+21 equation:


Simplifying
7x + 2 = -7 + 4x + 21

Reorder the terms:
2 + 7x = -7 + 4x + 21

Reorder the terms:
2 + 7x = -7 + 21 + 4x

Combine like terms: -7 + 21 = 14
2 + 7x = 14 + 4x

Solving
2 + 7x = 14 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
2 + 7x + -4x = 14 + 4x + -4x

Combine like terms: 7x + -4x = 3x
2 + 3x = 14 + 4x + -4x

Combine like terms: 4x + -4x = 0
2 + 3x = 14 + 0
2 + 3x = 14

Add '-2' to each side of the equation.
2 + -2 + 3x = 14 + -2

Combine like terms: 2 + -2 = 0
0 + 3x = 14 + -2
3x = 14 + -2

Combine like terms: 14 + -2 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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