2x+3x+9+7x=4(x+10)

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Solution for 2x+3x+9+7x=4(x+10) equation:


Simplifying
2x + 3x + 9 + 7x = 4(x + 10)

Reorder the terms:
9 + 2x + 3x + 7x = 4(x + 10)

Combine like terms: 2x + 3x = 5x
9 + 5x + 7x = 4(x + 10)

Combine like terms: 5x + 7x = 12x
9 + 12x = 4(x + 10)

Reorder the terms:
9 + 12x = 4(10 + x)
9 + 12x = (10 * 4 + x * 4)
9 + 12x = (40 + 4x)

Solving
9 + 12x = 40 + 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.
9 + 12x + -4x = 40 + 4x + -4x

Combine like terms: 12x + -4x = 8x
9 + 8x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 8x = 40 + 0
9 + 8x = 40

Add '-9' to each side of the equation.
9 + -9 + 8x = 40 + -9

Combine like terms: 9 + -9 = 0
0 + 8x = 40 + -9
8x = 40 + -9

Combine like terms: 40 + -9 = 31
8x = 31

Divide each side by '8'.
x = 3.875

Simplifying
x = 3.875

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