7+2x+5x=-42

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Solution for 7+2x+5x=-42 equation: 


Simplifying
7 + 2x + 5x = -42

Combine like terms: 2x + 5x = 7x
7 + 7x = -42

Solving
7 + 7x = -42

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 + 7x = -42 + -7

Combine like terms: 7 + -7 = 0
0 + 7x = -42 + -7
7x = -42 + -7

Combine like terms: -42 + -7 = -49
7x = -49

Divide each side by '7'.
x = -7

Simplifying
x = -7

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