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

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


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

Reorder the terms:
3x + -5(7 + x) = -45
3x + (7 * -5 + x * -5) = -45
3x + (-35 + -5x) = -45

Reorder the terms:
-35 + 3x + -5x = -45

Combine like terms: 3x + -5x = -2x
-35 + -2x = -45

Solving
-35 + -2x = -45

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + -2x = -45 + 35

Combine like terms: -35 + 35 = 0
0 + -2x = -45 + 35
-2x = -45 + 35

Combine like terms: -45 + 35 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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