9(3x+4)+6(4x+5)=12x+7

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Solution for 9(3x+4)+6(4x+5)=12x+7 equation:


Simplifying
9(3x + 4) + 6(4x + 5) = 12x + 7

Reorder the terms:
9(4 + 3x) + 6(4x + 5) = 12x + 7
(4 * 9 + 3x * 9) + 6(4x + 5) = 12x + 7
(36 + 27x) + 6(4x + 5) = 12x + 7

Reorder the terms:
36 + 27x + 6(5 + 4x) = 12x + 7
36 + 27x + (5 * 6 + 4x * 6) = 12x + 7
36 + 27x + (30 + 24x) = 12x + 7

Reorder the terms:
36 + 30 + 27x + 24x = 12x + 7

Combine like terms: 36 + 30 = 66
66 + 27x + 24x = 12x + 7

Combine like terms: 27x + 24x = 51x
66 + 51x = 12x + 7

Reorder the terms:
66 + 51x = 7 + 12x

Solving
66 + 51x = 7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
66 + 51x + -12x = 7 + 12x + -12x

Combine like terms: 51x + -12x = 39x
66 + 39x = 7 + 12x + -12x

Combine like terms: 12x + -12x = 0
66 + 39x = 7 + 0
66 + 39x = 7

Add '-66' to each side of the equation.
66 + -66 + 39x = 7 + -66

Combine like terms: 66 + -66 = 0
0 + 39x = 7 + -66
39x = 7 + -66

Combine like terms: 7 + -66 = -59
39x = -59

Divide each side by '39'.
x = -1.512820513

Simplifying
x = -1.512820513

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