55(x-7)-(4x-20)=x-4

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Solution for 55(x-7)-(4x-20)=x-4 equation:


Simplifying
55(x + -7) + -1(4x + -20) = x + -4

Reorder the terms:
55(-7 + x) + -1(4x + -20) = x + -4
(-7 * 55 + x * 55) + -1(4x + -20) = x + -4
(-385 + 55x) + -1(4x + -20) = x + -4

Reorder the terms:
-385 + 55x + -1(-20 + 4x) = x + -4
-385 + 55x + (-20 * -1 + 4x * -1) = x + -4
-385 + 55x + (20 + -4x) = x + -4

Reorder the terms:
-385 + 20 + 55x + -4x = x + -4

Combine like terms: -385 + 20 = -365
-365 + 55x + -4x = x + -4

Combine like terms: 55x + -4x = 51x
-365 + 51x = x + -4

Reorder the terms:
-365 + 51x = -4 + x

Solving
-365 + 51x = -4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-365 + 51x + -1x = -4 + x + -1x

Combine like terms: 51x + -1x = 50x
-365 + 50x = -4 + x + -1x

Combine like terms: x + -1x = 0
-365 + 50x = -4 + 0
-365 + 50x = -4

Add '365' to each side of the equation.
-365 + 365 + 50x = -4 + 365

Combine like terms: -365 + 365 = 0
0 + 50x = -4 + 365
50x = -4 + 365

Combine like terms: -4 + 365 = 361
50x = 361

Divide each side by '50'.
x = 7.22

Simplifying
x = 7.22

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