3x+7=1+3

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


Simplifying
3x + 7 = 1 + 3

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

Combine like terms: 1 + 3 = 4
7 + 3x = 4

Solving
7 + 3x = 4

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 3x = 4 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 4 + -7
3x = 4 + -7

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

Divide each side by '3'.
x = -1

Simplifying
x = -1

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