7=x+3x+3

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


Simplifying
7 = x + 3x + 3

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

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

Solving
7 = 3 + 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.
7 + -4x = 3 + 4x + -4x

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

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

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

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

Divide each side by '-4'.
x = 1

Simplifying
x = 1

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