3(x+4)=8x+7

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


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

Reorder the terms:
3(4 + x) = 8x + 7
(4 * 3 + x * 3) = 8x + 7
(12 + 3x) = 8x + 7

Reorder the terms:
12 + 3x = 7 + 8x

Solving
12 + 3x = 7 + 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.
12 + 3x + -8x = 7 + 8x + -8x

Combine like terms: 3x + -8x = -5x
12 + -5x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
12 + -5x = 7 + 0
12 + -5x = 7

Add '-12' to each side of the equation.
12 + -12 + -5x = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -5x = 7 + -12
-5x = 7 + -12

Combine like terms: 7 + -12 = -5
-5x = -5

Divide each side by '-5'.
x = 1

Simplifying
x = 1

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