-4=8(x+3)+7x

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Solution for -4=8(x+3)+7x equation:


Simplifying
-4 = 8(x + 3) + 7x

Reorder the terms:
-4 = 8(3 + x) + 7x
-4 = (3 * 8 + x * 8) + 7x
-4 = (24 + 8x) + 7x

Combine like terms: 8x + 7x = 15x
-4 = 24 + 15x

Solving
-4 = 24 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-4 + -15x = 24 + 15x + -15x

Combine like terms: 15x + -15x = 0
-4 + -15x = 24 + 0
-4 + -15x = 24

Add '4' to each side of the equation.
-4 + 4 + -15x = 24 + 4

Combine like terms: -4 + 4 = 0
0 + -15x = 24 + 4
-15x = 24 + 4

Combine like terms: 24 + 4 = 28
-15x = 28

Divide each side by '-15'.
x = -1.866666667

Simplifying
x = -1.866666667

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