(40+2x)+8=90

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Solution for (40+2x)+8=90 equation:


Simplifying
(40 + 2x) + 8 = 90

Remove parenthesis around (40 + 2x)
40 + 2x + 8 = 90

Reorder the terms:
40 + 8 + 2x = 90

Combine like terms: 40 + 8 = 48
48 + 2x = 90

Solving
48 + 2x = 90

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 2x = 90 + -48

Combine like terms: 48 + -48 = 0
0 + 2x = 90 + -48
2x = 90 + -48

Combine like terms: 90 + -48 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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