7(x+3)-5x=7

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Solution for 7(x+3)-5x=7 equation:


Simplifying
7(x + 3) + -5x = 7

Reorder the terms:
7(3 + x) + -5x = 7
(3 * 7 + x * 7) + -5x = 7
(21 + 7x) + -5x = 7

Combine like terms: 7x + -5x = 2x
21 + 2x = 7

Solving
21 + 2x = 7

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 2x = 7 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 7 + -21
2x = 7 + -21

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

Divide each side by '2'.
x = -7

Simplifying
x = -7

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