-65=-4x+7(3x+15)

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Solution for -65=-4x+7(3x+15) equation:


Simplifying
-65 = -4x + 7(3x + 15)

Reorder the terms:
-65 = -4x + 7(15 + 3x)
-65 = -4x + (15 * 7 + 3x * 7)
-65 = -4x + (105 + 21x)

Reorder the terms:
-65 = 105 + -4x + 21x

Combine like terms: -4x + 21x = 17x
-65 = 105 + 17x

Solving
-65 = 105 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
-65 + -17x = 105 + 17x + -17x

Combine like terms: 17x + -17x = 0
-65 + -17x = 105 + 0
-65 + -17x = 105

Add '65' to each side of the equation.
-65 + 65 + -17x = 105 + 65

Combine like terms: -65 + 65 = 0
0 + -17x = 105 + 65
-17x = 105 + 65

Combine like terms: 105 + 65 = 170
-17x = 170

Divide each side by '-17'.
x = -10

Simplifying
x = -10

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