7x+4-2x=-4x+40

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Solution for 7x+4-2x=-4x+40 equation:


Simplifying
7x + 4 + -2x = -4x + 40

Reorder the terms:
4 + 7x + -2x = -4x + 40

Combine like terms: 7x + -2x = 5x
4 + 5x = -4x + 40

Reorder the terms:
4 + 5x = 40 + -4x

Solving
4 + 5x = 40 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
4 + 5x + 4x = 40 + -4x + 4x

Combine like terms: 5x + 4x = 9x
4 + 9x = 40 + -4x + 4x

Combine like terms: -4x + 4x = 0
4 + 9x = 40 + 0
4 + 9x = 40

Add '-4' to each side of the equation.
4 + -4 + 9x = 40 + -4

Combine like terms: 4 + -4 = 0
0 + 9x = 40 + -4
9x = 40 + -4

Combine like terms: 40 + -4 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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