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

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


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

Reorder the terms:
7(3 + 3x) = 4(4x + 3)
(3 * 7 + 3x * 7) = 4(4x + 3)
(21 + 21x) = 4(4x + 3)

Reorder the terms:
21 + 21x = 4(3 + 4x)
21 + 21x = (3 * 4 + 4x * 4)
21 + 21x = (12 + 16x)

Solving
21 + 21x = 12 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
21 + 21x + -16x = 12 + 16x + -16x

Combine like terms: 21x + -16x = 5x
21 + 5x = 12 + 16x + -16x

Combine like terms: 16x + -16x = 0
21 + 5x = 12 + 0
21 + 5x = 12

Add '-21' to each side of the equation.
21 + -21 + 5x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 12 + -21
5x = 12 + -21

Combine like terms: 12 + -21 = -9
5x = -9

Divide each side by '5'.
x = -1.8

Simplifying
x = -1.8

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