3x+4(7x-8)=123

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Solution for 3x+4(7x-8)=123 equation:


Simplifying
3x + 4(7x + -8) = 123

Reorder the terms:
3x + 4(-8 + 7x) = 123
3x + (-8 * 4 + 7x * 4) = 123
3x + (-32 + 28x) = 123

Reorder the terms:
-32 + 3x + 28x = 123

Combine like terms: 3x + 28x = 31x
-32 + 31x = 123

Solving
-32 + 31x = 123

Solving for variable 'x'.

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

Add '32' to each side of the equation.
-32 + 32 + 31x = 123 + 32

Combine like terms: -32 + 32 = 0
0 + 31x = 123 + 32
31x = 123 + 32

Combine like terms: 123 + 32 = 155
31x = 155

Divide each side by '31'.
x = 5

Simplifying
x = 5

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