7x+3=2x-1

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Solution for 7x+3=2x-1 equation:


Simplifying
7x + 3 = 2x + -1

Reorder the terms:
3 + 7x = 2x + -1

Reorder the terms:
3 + 7x = -1 + 2x

Solving
3 + 7x = -1 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
3 + 7x + -2x = -1 + 2x + -2x

Combine like terms: 7x + -2x = 5x
3 + 5x = -1 + 2x + -2x

Combine like terms: 2x + -2x = 0
3 + 5x = -1 + 0
3 + 5x = -1

Add '-3' to each side of the equation.
3 + -3 + 5x = -1 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = -1 + -3
5x = -1 + -3

Combine like terms: -1 + -3 = -4
5x = -4

Divide each side by '5'.
x = -0.8

Simplifying
x = -0.8

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