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

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


Simplifying
5x + -3(x + 7) + 3x = 0

Reorder the terms:
5x + -3(7 + x) + 3x = 0
5x + (7 * -3 + x * -3) + 3x = 0
5x + (-21 + -3x) + 3x = 0

Reorder the terms:
-21 + 5x + -3x + 3x = 0

Combine like terms: 5x + -3x = 2x
-21 + 2x + 3x = 0

Combine like terms: 2x + 3x = 5x
-21 + 5x = 0

Solving
-21 + 5x = 0

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 + 5x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = 0 + 21
5x = 0 + 21

Combine like terms: 0 + 21 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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