10x+15=3(3x+7)

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Solution for 10x+15=3(3x+7) equation:


Simplifying
10x + 15 = 3(3x + 7)

Reorder the terms:
15 + 10x = 3(3x + 7)

Reorder the terms:
15 + 10x = 3(7 + 3x)
15 + 10x = (7 * 3 + 3x * 3)
15 + 10x = (21 + 9x)

Solving
15 + 10x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + 10x + -9x = 21 + 9x + -9x

Combine like terms: 10x + -9x = 1x
15 + 1x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + 1x = 21 + 0
15 + 1x = 21

Add '-15' to each side of the equation.
15 + -15 + 1x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 21 + -15
1x = 21 + -15

Combine like terms: 21 + -15 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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