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

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


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

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

Reorder the terms:
12 + 5 + 3x = 7x + 9

Combine like terms: 12 + 5 = 17
17 + 3x = 7x + 9

Reorder the terms:
17 + 3x = 9 + 7x

Solving
17 + 3x = 9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
17 + 3x + -7x = 9 + 7x + -7x

Combine like terms: 3x + -7x = -4x
17 + -4x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
17 + -4x = 9 + 0
17 + -4x = 9

Add '-17' to each side of the equation.
17 + -17 + -4x = 9 + -17

Combine like terms: 17 + -17 = 0
0 + -4x = 9 + -17
-4x = 9 + -17

Combine like terms: 9 + -17 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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