4+5+6+7+8=x

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Solution for 4+5+6+7+8=x equation:


Simplifying
4 + 5 + 6 + 7 + 8 = x

Combine like terms: 4 + 5 = 9
9 + 6 + 7 + 8 = x

Combine like terms: 9 + 6 = 15
15 + 7 + 8 = x

Combine like terms: 15 + 7 = 22
22 + 8 = x

Combine like terms: 22 + 8 = 30
30 = x

Solving
30 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
30 + -1x = x + -1x

Combine like terms: x + -1x = 0
30 + -1x = 0

Add '-30' to each side of the equation.
30 + -30 + -1x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = 0 + -30
-1x = 0 + -30

Combine like terms: 0 + -30 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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