3x+7(x+6)-45=9x+3

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Solution for 3x+7(x+6)-45=9x+3 equation:


Simplifying
3x + 7(x + 6) + -45 = 9x + 3

Reorder the terms:
3x + 7(6 + x) + -45 = 9x + 3
3x + (6 * 7 + x * 7) + -45 = 9x + 3
3x + (42 + 7x) + -45 = 9x + 3

Reorder the terms:
42 + -45 + 3x + 7x = 9x + 3

Combine like terms: 42 + -45 = -3
-3 + 3x + 7x = 9x + 3

Combine like terms: 3x + 7x = 10x
-3 + 10x = 9x + 3

Reorder the terms:
-3 + 10x = 3 + 9x

Solving
-3 + 10x = 3 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-3 + 10x + -9x = 3 + 9x + -9x

Combine like terms: 10x + -9x = 1x
-3 + 1x = 3 + 9x + -9x

Combine like terms: 9x + -9x = 0
-3 + 1x = 3 + 0
-3 + 1x = 3

Add '3' to each side of the equation.
-3 + 3 + 1x = 3 + 3

Combine like terms: -3 + 3 = 0
0 + 1x = 3 + 3
1x = 3 + 3

Combine like terms: 3 + 3 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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