7x-15=3(2x+1)

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Solution for 7x-15=3(2x+1) equation:


Simplifying
7x + -15 = 3(2x + 1)

Reorder the terms:
-15 + 7x = 3(2x + 1)

Reorder the terms:
-15 + 7x = 3(1 + 2x)
-15 + 7x = (1 * 3 + 2x * 3)
-15 + 7x = (3 + 6x)

Solving
-15 + 7x = 3 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-15 + 7x + -6x = 3 + 6x + -6x

Combine like terms: 7x + -6x = 1x
-15 + 1x = 3 + 6x + -6x

Combine like terms: 6x + -6x = 0
-15 + 1x = 3 + 0
-15 + 1x = 3

Add '15' to each side of the equation.
-15 + 15 + 1x = 3 + 15

Combine like terms: -15 + 15 = 0
0 + 1x = 3 + 15
1x = 3 + 15

Combine like terms: 3 + 15 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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