3(4x-7)-4(x+1)=

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Solution for 3(4x-7)-4(x+1)= equation:


Simplifying
3(4x + -7) + -4(x + 1) = 0

Reorder the terms:
3(-7 + 4x) + -4(x + 1) = 0
(-7 * 3 + 4x * 3) + -4(x + 1) = 0
(-21 + 12x) + -4(x + 1) = 0

Reorder the terms:
-21 + 12x + -4(1 + x) = 0
-21 + 12x + (1 * -4 + x * -4) = 0
-21 + 12x + (-4 + -4x) = 0

Reorder the terms:
-21 + -4 + 12x + -4x = 0

Combine like terms: -21 + -4 = -25
-25 + 12x + -4x = 0

Combine like terms: 12x + -4x = 8x
-25 + 8x = 0

Solving
-25 + 8x = 0

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 8x = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 8x = 0 + 25
8x = 0 + 25

Combine like terms: 0 + 25 = 25
8x = 25

Divide each side by '8'.
x = 3.125

Simplifying
x = 3.125

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