7+2x=40-10

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Solution for 7+2x=40-10 equation: 


Simplifying
7 + 2x = 40 + -10

Combine like terms: 40 + -10 = 30
7 + 2x = 30

Solving
7 + 2x = 30

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 30 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 30 + -7
2x = 30 + -7

Combine like terms: 30 + -7 = 23
2x = 23

Divide each side by '2'.
x = 11.5

Simplifying
x = 11.5

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