15+3x=7(x+1)

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Solution for 15+3x=7(x+1) equation:


Simplifying
15 + 3x = 7(x + 1)

Reorder the terms:
15 + 3x = 7(1 + x)
15 + 3x = (1 * 7 + x * 7)
15 + 3x = (7 + 7x)

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

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

Combine like terms: 7x + -7x = 0
15 + -4x = 7 + 0
15 + -4x = 7

Add '-15' to each side of the equation.
15 + -15 + -4x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -4x = 7 + -15
-4x = 7 + -15

Combine like terms: 7 + -15 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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