3(x-10)=7(x-4)

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Solution for 3(x-10)=7(x-4) equation:


Simplifying
3(x + -10) = 7(x + -4)

Reorder the terms:
3(-10 + x) = 7(x + -4)
(-10 * 3 + x * 3) = 7(x + -4)
(-30 + 3x) = 7(x + -4)

Reorder the terms:
-30 + 3x = 7(-4 + x)
-30 + 3x = (-4 * 7 + x * 7)
-30 + 3x = (-28 + 7x)

Solving
-30 + 3x = -28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-30 + 3x + -7x = -28 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-30 + -4x = -28 + 7x + -7x

Combine like terms: 7x + -7x = 0
-30 + -4x = -28 + 0
-30 + -4x = -28

Add '30' to each side of the equation.
-30 + 30 + -4x = -28 + 30

Combine like terms: -30 + 30 = 0
0 + -4x = -28 + 30
-4x = -28 + 30

Combine like terms: -28 + 30 = 2
-4x = 2

Divide each side by '-4'.
x = -0.5

Simplifying
x = -0.5

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