7(x-20)-4x=10

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Solution for 7(x-20)-4x=10 equation:


Simplifying
7(x + -20) + -4x = 10

Reorder the terms:
7(-20 + x) + -4x = 10
(-20 * 7 + x * 7) + -4x = 10
(-140 + 7x) + -4x = 10

Combine like terms: 7x + -4x = 3x
-140 + 3x = 10

Solving
-140 + 3x = 10

Solving for variable 'x'.

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

Add '140' to each side of the equation.
-140 + 140 + 3x = 10 + 140

Combine like terms: -140 + 140 = 0
0 + 3x = 10 + 140
3x = 10 + 140

Combine like terms: 10 + 140 = 150
3x = 150

Divide each side by '3'.
x = 50

Simplifying
x = 50

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