-9(2x+5)=8(3x-10)+21

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Solution for -9(2x+5)=8(3x-10)+21 equation:


Simplifying
-9(2x + 5) = 8(3x + -10) + 21

Reorder the terms:
-9(5 + 2x) = 8(3x + -10) + 21
(5 * -9 + 2x * -9) = 8(3x + -10) + 21
(-45 + -18x) = 8(3x + -10) + 21

Reorder the terms:
-45 + -18x = 8(-10 + 3x) + 21
-45 + -18x = (-10 * 8 + 3x * 8) + 21
-45 + -18x = (-80 + 24x) + 21

Reorder the terms:
-45 + -18x = -80 + 21 + 24x

Combine like terms: -80 + 21 = -59
-45 + -18x = -59 + 24x

Solving
-45 + -18x = -59 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
-45 + -18x + -24x = -59 + 24x + -24x

Combine like terms: -18x + -24x = -42x
-45 + -42x = -59 + 24x + -24x

Combine like terms: 24x + -24x = 0
-45 + -42x = -59 + 0
-45 + -42x = -59

Add '45' to each side of the equation.
-45 + 45 + -42x = -59 + 45

Combine like terms: -45 + 45 = 0
0 + -42x = -59 + 45
-42x = -59 + 45

Combine like terms: -59 + 45 = -14
-42x = -14

Divide each side by '-42'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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