5x-5(4)=2(4)-7

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Solution for 5x-5(4)=2(4)-7 equation:


Simplifying
5x + -5(4) = 2(4) + -7

Multiply -5 * 4
5x + -20 = 2(4) + -7

Reorder the terms:
-20 + 5x = 2(4) + -7

Multiply 2 * 4
-20 + 5x = 8 + -7

Combine like terms: 8 + -7 = 1
-20 + 5x = 1

Solving
-20 + 5x = 1

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 5x = 1 + 20

Combine like terms: -20 + 20 = 0
0 + 5x = 1 + 20
5x = 1 + 20

Combine like terms: 1 + 20 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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