X+0.40(7)=0.70(x+7)

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Solution for X+0.40(7)=0.70(x+7) equation: 


Simplifying
X + 0.40(7) = 0.70(x + 7)

Multiply 0.40 * 7
X + 2.8 = 0.70(x + 7)

Reorder the terms:
2.8 + X = 0.70(x + 7)

Reorder the terms:
2.8 + X = 0.70(7 + x)
2.8 + X = (7 * 0.70 + x * 0.70)
2.8 + X = (4.9 + 0.70x)

Solving
2.8 + X = 4.9 + 0.70x

Solving for variable 'X'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + X = 4.9 + -2.8 + 0.70x

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + X = 4.9 + -2.8 + 0.70x
X = 4.9 + -2.8 + 0.70x

Combine like terms: 4.9 + -2.8 = 2.1
X = 2.1 + 0.70x

Simplifying
X = 2.1 + 0.70x

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