1.3(2x-5)-3.5=2.1(2x-4)

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Solution for 1.3(2x-5)-3.5=2.1(2x-4) equation:


Simplifying
1.3(2x + -5) + -3.5 = 2.1(2x + -4)

Reorder the terms:
1.3(-5 + 2x) + -3.5 = 2.1(2x + -4)
(-5 * 1.3 + 2x * 1.3) + -3.5 = 2.1(2x + -4)
(-6.5 + 2.6x) + -3.5 = 2.1(2x + -4)

Reorder the terms:
-6.5 + -3.5 + 2.6x = 2.1(2x + -4)

Combine like terms: -6.5 + -3.5 = -10
-10 + 2.6x = 2.1(2x + -4)

Reorder the terms:
-10 + 2.6x = 2.1(-4 + 2x)
-10 + 2.6x = (-4 * 2.1 + 2x * 2.1)
-10 + 2.6x = (-8.4 + 4.2x)

Solving
-10 + 2.6x = -8.4 + 4.2x

Solving for variable 'x'.

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

Add '-4.2x' to each side of the equation.
-10 + 2.6x + -4.2x = -8.4 + 4.2x + -4.2x

Combine like terms: 2.6x + -4.2x = -1.6x
-10 + -1.6x = -8.4 + 4.2x + -4.2x

Combine like terms: 4.2x + -4.2x = 0.0
-10 + -1.6x = -8.4 + 0.0
-10 + -1.6x = -8.4

Add '10' to each side of the equation.
-10 + 10 + -1.6x = -8.4 + 10

Combine like terms: -10 + 10 = 0
0 + -1.6x = -8.4 + 10
-1.6x = -8.4 + 10

Combine like terms: -8.4 + 10 = 1.6
-1.6x = 1.6

Divide each side by '-1.6'.
x = -1

Simplifying
x = -1

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