.10x+.02(70)=.08(x+400)

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Solution for .10x+.02(70)=.08(x+400) equation:


Simplifying
0.10x + 0.02(70) = 0.08(x + 400)

Multiply 0.02 * 70
0.10x + 1.4 = 0.08(x + 400)

Reorder the terms:
1.4 + 0.10x = 0.08(x + 400)

Reorder the terms:
1.4 + 0.10x = 0.08(400 + x)
1.4 + 0.10x = (400 * 0.08 + x * 0.08)
1.4 + 0.10x = (32 + 0.08x)

Solving
1.4 + 0.10x = 32 + 0.08x

Solving for variable 'x'.

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

Add '-0.08x' to each side of the equation.
1.4 + 0.10x + -0.08x = 32 + 0.08x + -0.08x

Combine like terms: 0.10x + -0.08x = 0.02x
1.4 + 0.02x = 32 + 0.08x + -0.08x

Combine like terms: 0.08x + -0.08x = 0.00
1.4 + 0.02x = 32 + 0.00
1.4 + 0.02x = 32

Add '-1.4' to each side of the equation.
1.4 + -1.4 + 0.02x = 32 + -1.4

Combine like terms: 1.4 + -1.4 = 0.0
0.0 + 0.02x = 32 + -1.4
0.02x = 32 + -1.4

Combine like terms: 32 + -1.4 = 30.6
0.02x = 30.6

Divide each side by '0.02'.
x = 1530

Simplifying
x = 1530

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