49r*2-28r+4=

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Solution for 49r*2-28r+4= equation:


Simplifying
49r * 2 + -28r + 4 = 0

Reorder the terms for easier multiplication:
49 * 2r + -28r + 4 = 0

Multiply 49 * 2
98r + -28r + 4 = 0

Reorder the terms:
4 + 98r + -28r = 0

Combine like terms: 98r + -28r = 70r
4 + 70r = 0

Solving
4 + 70r = 0

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 70r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 70r = 0 + -4
70r = 0 + -4

Combine like terms: 0 + -4 = -4
70r = -4

Divide each side by '70'.
r = -0.05714285714

Simplifying
r = -0.05714285714

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