15=3x+4x+2+1

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Solution for 15=3x+4x+2+1 equation:


Simplifying
15 = 3x + 4x + 2 + 1

Reorder the terms:
15 = 2 + 1 + 3x + 4x

Combine like terms: 2 + 1 = 3
15 = 3 + 3x + 4x

Combine like terms: 3x + 4x = 7x
15 = 3 + 7x

Solving
15 = 3 + 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.
15 + -7x = 3 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -7x = 3 + 0
15 + -7x = 3

Add '-15' to each side of the equation.
15 + -15 + -7x = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -7x = 3 + -15
-7x = 3 + -15

Combine like terms: 3 + -15 = -12
-7x = -12

Divide each side by '-7'.
x = 1.714285714

Simplifying
x = 1.714285714

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