-5(2x+18)+3(4x-21)=0

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Solution for -5(2x+18)+3(4x-21)=0 equation:


Simplifying
-5(2x + 18) + 3(4x + -21) = 0

Reorder the terms:
-5(18 + 2x) + 3(4x + -21) = 0
(18 * -5 + 2x * -5) + 3(4x + -21) = 0
(-90 + -10x) + 3(4x + -21) = 0

Reorder the terms:
-90 + -10x + 3(-21 + 4x) = 0
-90 + -10x + (-21 * 3 + 4x * 3) = 0
-90 + -10x + (-63 + 12x) = 0

Reorder the terms:
-90 + -63 + -10x + 12x = 0

Combine like terms: -90 + -63 = -153
-153 + -10x + 12x = 0

Combine like terms: -10x + 12x = 2x
-153 + 2x = 0

Solving
-153 + 2x = 0

Solving for variable 'x'.

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

Add '153' to each side of the equation.
-153 + 153 + 2x = 0 + 153

Combine like terms: -153 + 153 = 0
0 + 2x = 0 + 153
2x = 0 + 153

Combine like terms: 0 + 153 = 153
2x = 153

Divide each side by '2'.
x = 76.5

Simplifying
x = 76.5

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