-3(x+7)+9(2x+5)=

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Solution for -3(x+7)+9(2x+5)= equation:


Simplifying
-3(x + 7) + 9(2x + 5) = 0

Reorder the terms:
-3(7 + x) + 9(2x + 5) = 0
(7 * -3 + x * -3) + 9(2x + 5) = 0
(-21 + -3x) + 9(2x + 5) = 0

Reorder the terms:
-21 + -3x + 9(5 + 2x) = 0
-21 + -3x + (5 * 9 + 2x * 9) = 0
-21 + -3x + (45 + 18x) = 0

Reorder the terms:
-21 + 45 + -3x + 18x = 0

Combine like terms: -21 + 45 = 24
24 + -3x + 18x = 0

Combine like terms: -3x + 18x = 15x
24 + 15x = 0

Solving
24 + 15x = 0

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + 15x = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 15x = 0 + -24
15x = 0 + -24

Combine like terms: 0 + -24 = -24
15x = -24

Divide each side by '15'.
x = -1.6

Simplifying
x = -1.6

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