3+4x=-3x+87

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Solution for 3+4x=-3x+87 equation:


Simplifying
3 + 4x = -3x + 87

Reorder the terms:
3 + 4x = 87 + -3x

Solving
3 + 4x = 87 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
3 + 4x + 3x = 87 + -3x + 3x

Combine like terms: 4x + 3x = 7x
3 + 7x = 87 + -3x + 3x

Combine like terms: -3x + 3x = 0
3 + 7x = 87 + 0
3 + 7x = 87

Add '-3' to each side of the equation.
3 + -3 + 7x = 87 + -3

Combine like terms: 3 + -3 = 0
0 + 7x = 87 + -3
7x = 87 + -3

Combine like terms: 87 + -3 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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