2x-5(4x+15)=51

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Solution for 2x-5(4x+15)=51 equation:


Simplifying
2x + -5(4x + 15) = 51

Reorder the terms:
2x + -5(15 + 4x) = 51
2x + (15 * -5 + 4x * -5) = 51
2x + (-75 + -20x) = 51

Reorder the terms:
-75 + 2x + -20x = 51

Combine like terms: 2x + -20x = -18x
-75 + -18x = 51

Solving
-75 + -18x = 51

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + -18x = 51 + 75

Combine like terms: -75 + 75 = 0
0 + -18x = 51 + 75
-18x = 51 + 75

Combine like terms: 51 + 75 = 126
-18x = 126

Divide each side by '-18'.
x = -7

Simplifying
x = -7

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