3x+5(x+9)=85

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Solution for 3x+5(x+9)=85 equation:


Simplifying
3x + 5(x + 9) = 85

Reorder the terms:
3x + 5(9 + x) = 85
3x + (9 * 5 + x * 5) = 85
3x + (45 + 5x) = 85

Reorder the terms:
45 + 3x + 5x = 85

Combine like terms: 3x + 5x = 8x
45 + 8x = 85

Solving
45 + 8x = 85

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 8x = 85 + -45

Combine like terms: 45 + -45 = 0
0 + 8x = 85 + -45
8x = 85 + -45

Combine like terms: 85 + -45 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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