3(5x+9)=4(7+5x)

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Solution for 3(5x+9)=4(7+5x) equation:


Simplifying
3(5x + 9) = 4(7 + 5x)

Reorder the terms:
3(9 + 5x) = 4(7 + 5x)
(9 * 3 + 5x * 3) = 4(7 + 5x)
(27 + 15x) = 4(7 + 5x)
27 + 15x = (7 * 4 + 5x * 4)
27 + 15x = (28 + 20x)

Solving
27 + 15x = 28 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
27 + 15x + -20x = 28 + 20x + -20x

Combine like terms: 15x + -20x = -5x
27 + -5x = 28 + 20x + -20x

Combine like terms: 20x + -20x = 0
27 + -5x = 28 + 0
27 + -5x = 28

Add '-27' to each side of the equation.
27 + -27 + -5x = 28 + -27

Combine like terms: 27 + -27 = 0
0 + -5x = 28 + -27
-5x = 28 + -27

Combine like terms: 28 + -27 = 1
-5x = 1

Divide each side by '-5'.
x = -0.2

Simplifying
x = -0.2

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