7(2x+3)=9x-4

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Solution for 7(2x+3)=9x-4 equation:


Simplifying
7(2x + 3) = 9x + -4

Reorder the terms:
7(3 + 2x) = 9x + -4
(3 * 7 + 2x * 7) = 9x + -4
(21 + 14x) = 9x + -4

Reorder the terms:
21 + 14x = -4 + 9x

Solving
21 + 14x = -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.
21 + 14x + -9x = -4 + 9x + -9x

Combine like terms: 14x + -9x = 5x
21 + 5x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
21 + 5x = -4 + 0
21 + 5x = -4

Add '-21' to each side of the equation.
21 + -21 + 5x = -4 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = -4 + -21
5x = -4 + -21

Combine like terms: -4 + -21 = -25
5x = -25

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

Simplifying
x = -5

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