5x+5+6x+12=7x+21

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Solution for 5x+5+6x+12=7x+21 equation:


Simplifying
5x + 5 + 6x + 12 = 7x + 21

Reorder the terms:
5 + 12 + 5x + 6x = 7x + 21

Combine like terms: 5 + 12 = 17
17 + 5x + 6x = 7x + 21

Combine like terms: 5x + 6x = 11x
17 + 11x = 7x + 21

Reorder the terms:
17 + 11x = 21 + 7x

Solving
17 + 11x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
17 + 11x + -7x = 21 + 7x + -7x

Combine like terms: 11x + -7x = 4x
17 + 4x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
17 + 4x = 21 + 0
17 + 4x = 21

Add '-17' to each side of the equation.
17 + -17 + 4x = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 4x = 21 + -17
4x = 21 + -17

Combine like terms: 21 + -17 = 4
4x = 4

Divide each side by '4'.
x = 1

Simplifying
x = 1

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