3x+3+2(x-5)+4x=20

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Solution for 3x+3+2(x-5)+4x=20 equation:


Simplifying
3x + 3 + 2(x + -5) + 4x = 20

Reorder the terms:
3x + 3 + 2(-5 + x) + 4x = 20
3x + 3 + (-5 * 2 + x * 2) + 4x = 20
3x + 3 + (-10 + 2x) + 4x = 20

Reorder the terms:
3 + -10 + 3x + 2x + 4x = 20

Combine like terms: 3 + -10 = -7
-7 + 3x + 2x + 4x = 20

Combine like terms: 3x + 2x = 5x
-7 + 5x + 4x = 20

Combine like terms: 5x + 4x = 9x
-7 + 9x = 20

Solving
-7 + 9x = 20

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 9x = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 9x = 20 + 7
9x = 20 + 7

Combine like terms: 20 + 7 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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