2x+30(4)=2.8(x+30)

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Solution for 2x+30(4)=2.8(x+30) equation:


Simplifying
2x + 30(4) = 2.8(x + 30)

Multiply 30 * 4
2x + 120 = 2.8(x + 30)

Reorder the terms:
120 + 2x = 2.8(x + 30)

Reorder the terms:
120 + 2x = 2.8(30 + x)
120 + 2x = (30 * 2.8 + x * 2.8)
120 + 2x = (84 + 2.8x)

Solving
120 + 2x = 84 + 2.8x

Solving for variable 'x'.

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

Add '-2.8x' to each side of the equation.
120 + 2x + -2.8x = 84 + 2.8x + -2.8x

Combine like terms: 2x + -2.8x = -0.8x
120 + -0.8x = 84 + 2.8x + -2.8x

Combine like terms: 2.8x + -2.8x = 0.0
120 + -0.8x = 84 + 0.0
120 + -0.8x = 84

Add '-120' to each side of the equation.
120 + -120 + -0.8x = 84 + -120

Combine like terms: 120 + -120 = 0
0 + -0.8x = 84 + -120
-0.8x = 84 + -120

Combine like terms: 84 + -120 = -36
-0.8x = -36

Divide each side by '-0.8'.
x = 45

Simplifying
x = 45

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