3(4x-5)-7(x+2)=3x+9

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Solution for 3(4x-5)-7(x+2)=3x+9 equation:


Simplifying
3(4x + -5) + -7(x + 2) = 3x + 9

Reorder the terms:
3(-5 + 4x) + -7(x + 2) = 3x + 9
(-5 * 3 + 4x * 3) + -7(x + 2) = 3x + 9
(-15 + 12x) + -7(x + 2) = 3x + 9

Reorder the terms:
-15 + 12x + -7(2 + x) = 3x + 9
-15 + 12x + (2 * -7 + x * -7) = 3x + 9
-15 + 12x + (-14 + -7x) = 3x + 9

Reorder the terms:
-15 + -14 + 12x + -7x = 3x + 9

Combine like terms: -15 + -14 = -29
-29 + 12x + -7x = 3x + 9

Combine like terms: 12x + -7x = 5x
-29 + 5x = 3x + 9

Reorder the terms:
-29 + 5x = 9 + 3x

Solving
-29 + 5x = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-29 + 5x + -3x = 9 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-29 + 2x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-29 + 2x = 9 + 0
-29 + 2x = 9

Add '29' to each side of the equation.
-29 + 29 + 2x = 9 + 29

Combine like terms: -29 + 29 = 0
0 + 2x = 9 + 29
2x = 9 + 29

Combine like terms: 9 + 29 = 38
2x = 38

Divide each side by '2'.
x = 19

Simplifying
x = 19

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