7-2x=0.7(x+4)

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Solution for 7-2x=0.7(x+4) equation:


Simplifying
7 + -2x = 0.7(x + 4)

Reorder the terms:
7 + -2x = 0.7(4 + x)
7 + -2x = (4 * 0.7 + x * 0.7)
7 + -2x = (2.8 + 0.7x)

Solving
7 + -2x = 2.8 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
7 + -2x + -0.7x = 2.8 + 0.7x + -0.7x

Combine like terms: -2x + -0.7x = -2.7x
7 + -2.7x = 2.8 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
7 + -2.7x = 2.8 + 0.0
7 + -2.7x = 2.8

Add '-7' to each side of the equation.
7 + -7 + -2.7x = 2.8 + -7

Combine like terms: 7 + -7 = 0
0 + -2.7x = 2.8 + -7
-2.7x = 2.8 + -7

Combine like terms: 2.8 + -7 = -4.2
-2.7x = -4.2

Divide each side by '-2.7'.
x = 1.555555556

Simplifying
x = 1.555555556

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