298=3x+4(x-20)

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Solution for 298=3x+4(x-20) equation:


Simplifying
298 = 3x + 4(x + -20)

Reorder the terms:
298 = 3x + 4(-20 + x)
298 = 3x + (-20 * 4 + x * 4)
298 = 3x + (-80 + 4x)

Reorder the terms:
298 = -80 + 3x + 4x

Combine like terms: 3x + 4x = 7x
298 = -80 + 7x

Solving
298 = -80 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
298 + -7x = -80 + 7x + -7x

Combine like terms: 7x + -7x = 0
298 + -7x = -80 + 0
298 + -7x = -80

Add '-298' to each side of the equation.
298 + -298 + -7x = -80 + -298

Combine like terms: 298 + -298 = 0
0 + -7x = -80 + -298
-7x = -80 + -298

Combine like terms: -80 + -298 = -378
-7x = -378

Divide each side by '-7'.
x = 54

Simplifying
x = 54

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