-.5(7x+4)+.2(5x-15)=

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Solution for -.5(7x+4)+.2(5x-15)= equation:


Simplifying
-0.5(7x + 4) + 0.2(5x + -15) = 0

Reorder the terms:
-0.5(4 + 7x) + 0.2(5x + -15) = 0
(4 * -0.5 + 7x * -0.5) + 0.2(5x + -15) = 0
(-2 + -3.5x) + 0.2(5x + -15) = 0

Reorder the terms:
-2 + -3.5x + 0.2(-15 + 5x) = 0
-2 + -3.5x + (-15 * 0.2 + 5x * 0.2) = 0
-2 + -3.5x + (-3 + 1x) = 0

Reorder the terms:
-2 + -3 + -3.5x + 1x = 0

Combine like terms: -2 + -3 = -5
-5 + -3.5x + 1x = 0

Combine like terms: -3.5x + 1x = -2.5x
-5 + -2.5x = 0

Solving
-5 + -2.5x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2.5x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2.5x = 0 + 5
-2.5x = 0 + 5

Combine like terms: 0 + 5 = 5
-2.5x = 5

Divide each side by '-2.5'.
x = -2

Simplifying
x = -2

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