6(x+7)+9=4(x+15)

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Solution for 6(x+7)+9=4(x+15) equation:


Simplifying
6(x + 7) + 9 = 4(x + 15)

Reorder the terms:
6(7 + x) + 9 = 4(x + 15)
(7 * 6 + x * 6) + 9 = 4(x + 15)
(42 + 6x) + 9 = 4(x + 15)

Reorder the terms:
42 + 9 + 6x = 4(x + 15)

Combine like terms: 42 + 9 = 51
51 + 6x = 4(x + 15)

Reorder the terms:
51 + 6x = 4(15 + x)
51 + 6x = (15 * 4 + x * 4)
51 + 6x = (60 + 4x)

Solving
51 + 6x = 60 + 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.
51 + 6x + -4x = 60 + 4x + -4x

Combine like terms: 6x + -4x = 2x
51 + 2x = 60 + 4x + -4x

Combine like terms: 4x + -4x = 0
51 + 2x = 60 + 0
51 + 2x = 60

Add '-51' to each side of the equation.
51 + -51 + 2x = 60 + -51

Combine like terms: 51 + -51 = 0
0 + 2x = 60 + -51
2x = 60 + -51

Combine like terms: 60 + -51 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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