13x+3=3(3x-1)+7

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Solution for 13x+3=3(3x-1)+7 equation:


Simplifying
13x + 3 = 3(3x + -1) + 7

Reorder the terms:
3 + 13x = 3(3x + -1) + 7

Reorder the terms:
3 + 13x = 3(-1 + 3x) + 7
3 + 13x = (-1 * 3 + 3x * 3) + 7
3 + 13x = (-3 + 9x) + 7

Reorder the terms:
3 + 13x = -3 + 7 + 9x

Combine like terms: -3 + 7 = 4
3 + 13x = 4 + 9x

Solving
3 + 13x = 4 + 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.
3 + 13x + -9x = 4 + 9x + -9x

Combine like terms: 13x + -9x = 4x
3 + 4x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
3 + 4x = 4 + 0
3 + 4x = 4

Add '-3' to each side of the equation.
3 + -3 + 4x = 4 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = 4 + -3
4x = 4 + -3

Combine like terms: 4 + -3 = 1
4x = 1

Divide each side by '4'.
x = 0.25

Simplifying
x = 0.25

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