-42+9x=10(2x+5)-4

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Solution for -42+9x=10(2x+5)-4 equation:


Simplifying
-42 + 9x = 10(2x + 5) + -4

Reorder the terms:
-42 + 9x = 10(5 + 2x) + -4
-42 + 9x = (5 * 10 + 2x * 10) + -4
-42 + 9x = (50 + 20x) + -4

Reorder the terms:
-42 + 9x = 50 + -4 + 20x

Combine like terms: 50 + -4 = 46
-42 + 9x = 46 + 20x

Solving
-42 + 9x = 46 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-42 + 9x + -20x = 46 + 20x + -20x

Combine like terms: 9x + -20x = -11x
-42 + -11x = 46 + 20x + -20x

Combine like terms: 20x + -20x = 0
-42 + -11x = 46 + 0
-42 + -11x = 46

Add '42' to each side of the equation.
-42 + 42 + -11x = 46 + 42

Combine like terms: -42 + 42 = 0
0 + -11x = 46 + 42
-11x = 46 + 42

Combine like terms: 46 + 42 = 88
-11x = 88

Divide each side by '-11'.
x = -8

Simplifying
x = -8

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