103-(7x+15)=7(x+4)+x

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Solution for 103-(7x+15)=7(x+4)+x equation:


Simplifying
103 + -1(7x + 15) = 7(x + 4) + x

Reorder the terms:
103 + -1(15 + 7x) = 7(x + 4) + x
103 + (15 * -1 + 7x * -1) = 7(x + 4) + x
103 + (-15 + -7x) = 7(x + 4) + x

Combine like terms: 103 + -15 = 88
88 + -7x = 7(x + 4) + x

Reorder the terms:
88 + -7x = 7(4 + x) + x
88 + -7x = (4 * 7 + x * 7) + x
88 + -7x = (28 + 7x) + x

Combine like terms: 7x + x = 8x
88 + -7x = 28 + 8x

Solving
88 + -7x = 28 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
88 + -7x + -8x = 28 + 8x + -8x

Combine like terms: -7x + -8x = -15x
88 + -15x = 28 + 8x + -8x

Combine like terms: 8x + -8x = 0
88 + -15x = 28 + 0
88 + -15x = 28

Add '-88' to each side of the equation.
88 + -88 + -15x = 28 + -88

Combine like terms: 88 + -88 = 0
0 + -15x = 28 + -88
-15x = 28 + -88

Combine like terms: 28 + -88 = -60
-15x = -60

Divide each side by '-15'.
x = 4

Simplifying
x = 4

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