7x+3(2x-1)=10x+9

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Solution for 7x+3(2x-1)=10x+9 equation:


Simplifying
7x + 3(2x + -1) = 10x + 9

Reorder the terms:
7x + 3(-1 + 2x) = 10x + 9
7x + (-1 * 3 + 2x * 3) = 10x + 9
7x + (-3 + 6x) = 10x + 9

Reorder the terms:
-3 + 7x + 6x = 10x + 9

Combine like terms: 7x + 6x = 13x
-3 + 13x = 10x + 9

Reorder the terms:
-3 + 13x = 9 + 10x

Solving
-3 + 13x = 9 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-3 + 13x + -10x = 9 + 10x + -10x

Combine like terms: 13x + -10x = 3x
-3 + 3x = 9 + 10x + -10x

Combine like terms: 10x + -10x = 0
-3 + 3x = 9 + 0
-3 + 3x = 9

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

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

Combine like terms: 9 + 3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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