4x+3=12(7x+3)

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Solution for 4x+3=12(7x+3) equation:


Simplifying
4x + 3 = 12(7x + 3)

Reorder the terms:
3 + 4x = 12(7x + 3)

Reorder the terms:
3 + 4x = 12(3 + 7x)
3 + 4x = (3 * 12 + 7x * 12)
3 + 4x = (36 + 84x)

Solving
3 + 4x = 36 + 84x

Solving for variable 'x'.

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

Add '-84x' to each side of the equation.
3 + 4x + -84x = 36 + 84x + -84x

Combine like terms: 4x + -84x = -80x
3 + -80x = 36 + 84x + -84x

Combine like terms: 84x + -84x = 0
3 + -80x = 36 + 0
3 + -80x = 36

Add '-3' to each side of the equation.
3 + -3 + -80x = 36 + -3

Combine like terms: 3 + -3 = 0
0 + -80x = 36 + -3
-80x = 36 + -3

Combine like terms: 36 + -3 = 33
-80x = 33

Divide each side by '-80'.
x = -0.4125

Simplifying
x = -0.4125

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