2x+3=7x-20

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Solution for 2x+3=7x-20 equation:


Simplifying
2x + 3 = 7x + -20

Reorder the terms:
3 + 2x = 7x + -20

Reorder the terms:
3 + 2x = -20 + 7x

Solving
3 + 2x = -20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + 2x + -7x = -20 + 7x + -7x

Combine like terms: 2x + -7x = -5x
3 + -5x = -20 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + -5x = -20 + 0
3 + -5x = -20

Add '-3' to each side of the equation.
3 + -3 + -5x = -20 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = -20 + -3
-5x = -20 + -3

Combine like terms: -20 + -3 = -23
-5x = -23

Divide each side by '-5'.
x = 4.6

Simplifying
x = 4.6

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