(x+7)-4=45

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


Simplifying
(x + 7) + -4 = 45

Reorder the terms:
(7 + x) + -4 = 45

Remove parenthesis around (7 + x)
7 + x + -4 = 45

Reorder the terms:
7 + -4 + x = 45

Combine like terms: 7 + -4 = 3
3 + x = 45

Solving
3 + x = 45

Solving for variable 'x'.

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

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

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

Combine like terms: 45 + -3 = 42
x = 42

Simplifying
x = 42

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