x+2x+7x+3=43

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Solution for x+2x+7x+3=43 equation:


Simplifying
x + 2x + 7x + 3 = 43

Reorder the terms:
3 + x + 2x + 7x = 43

Combine like terms: x + 2x = 3x
3 + 3x + 7x = 43

Combine like terms: 3x + 7x = 10x
3 + 10x = 43

Solving
3 + 10x = 43

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 + 10x = 43 + -3

Combine like terms: 3 + -3 = 0
0 + 10x = 43 + -3
10x = 43 + -3

Combine like terms: 43 + -3 = 40
10x = 40

Divide each side by '10'.
x = 4

Simplifying
x = 4

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