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

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


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

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

Combine like terms: 3x + 2x = 5x
15 + 5x = 7x + 9

Reorder the terms:
15 + 5x = 9 + 7x

Solving
15 + 5x = 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.
15 + 5x + -7x = 9 + 7x + -7x

Combine like terms: 5x + -7x = -2x
15 + -2x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -2x = 9 + 0
15 + -2x = 9

Add '-15' to each side of the equation.
15 + -15 + -2x = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = 9 + -15
-2x = 9 + -15

Combine like terms: 9 + -15 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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