7+3(x-4)-16=-45

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Solution for 7+3(x-4)-16=-45 equation:


Simplifying
7 + 3(x + -4) + -16 = -45

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

Reorder the terms:
7 + -12 + -16 + 3x = -45

Combine like terms: 7 + -12 = -5
-5 + -16 + 3x = -45

Combine like terms: -5 + -16 = -21
-21 + 3x = -45

Solving
-21 + 3x = -45

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = -45 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -45 + 21
3x = -45 + 21

Combine like terms: -45 + 21 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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