4(2x+9)-3(x+5)=25

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Solution for 4(2x+9)-3(x+5)=25 equation:


Simplifying
4(2x + 9) + -3(x + 5) = 25

Reorder the terms:
4(9 + 2x) + -3(x + 5) = 25
(9 * 4 + 2x * 4) + -3(x + 5) = 25
(36 + 8x) + -3(x + 5) = 25

Reorder the terms:
36 + 8x + -3(5 + x) = 25
36 + 8x + (5 * -3 + x * -3) = 25
36 + 8x + (-15 + -3x) = 25

Reorder the terms:
36 + -15 + 8x + -3x = 25

Combine like terms: 36 + -15 = 21
21 + 8x + -3x = 25

Combine like terms: 8x + -3x = 5x
21 + 5x = 25

Solving
21 + 5x = 25

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 5x = 25 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 25 + -21
5x = 25 + -21

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

Divide each side by '5'.
x = 0.8

Simplifying
x = 0.8

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