700*.70+4x=(700+x)*1.90

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Solution for 700*.70+4x=(700+x)*1.90 equation:


Simplifying
700 * 0.70 + 4x = (700 + x) * 1.90

Multiply 700 * 0.70
490 + 4x = (700 + x) * 1.90

Reorder the terms for easier multiplication:
490 + 4x = 1.90(700 + x)
490 + 4x = (700 * 1.90 + x * 1.90)
490 + 4x = (1330 + 1.90x)

Solving
490 + 4x = 1330 + 1.90x

Solving for variable 'x'.

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

Add '-1.90x' to each side of the equation.
490 + 4x + -1.90x = 1330 + 1.90x + -1.90x

Combine like terms: 4x + -1.90x = 2.1x
490 + 2.1x = 1330 + 1.90x + -1.90x

Combine like terms: 1.90x + -1.90x = 0.00
490 + 2.1x = 1330 + 0.00
490 + 2.1x = 1330

Add '-490' to each side of the equation.
490 + -490 + 2.1x = 1330 + -490

Combine like terms: 490 + -490 = 0
0 + 2.1x = 1330 + -490
2.1x = 1330 + -490

Combine like terms: 1330 + -490 = 840
2.1x = 840

Divide each side by '2.1'.
x = 400

Simplifying
x = 400

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