4(3x-4)-5(2x+7)=-45

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Solution for 4(3x-4)-5(2x+7)=-45 equation:


Simplifying
4(3x + -4) + -5(2x + 7) = -45

Reorder the terms:
4(-4 + 3x) + -5(2x + 7) = -45
(-4 * 4 + 3x * 4) + -5(2x + 7) = -45
(-16 + 12x) + -5(2x + 7) = -45

Reorder the terms:
-16 + 12x + -5(7 + 2x) = -45
-16 + 12x + (7 * -5 + 2x * -5) = -45
-16 + 12x + (-35 + -10x) = -45

Reorder the terms:
-16 + -35 + 12x + -10x = -45

Combine like terms: -16 + -35 = -51
-51 + 12x + -10x = -45

Combine like terms: 12x + -10x = 2x
-51 + 2x = -45

Solving
-51 + 2x = -45

Solving for variable 'x'.

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

Add '51' to each side of the equation.
-51 + 51 + 2x = -45 + 51

Combine like terms: -51 + 51 = 0
0 + 2x = -45 + 51
2x = -45 + 51

Combine like terms: -45 + 51 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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