4(2x+5)-21=7t-6

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Solution for 4(2x+5)-21=7t-6 equation:


Simplifying
4(2x + 5) + -21 = 7t + -6

Reorder the terms:
4(5 + 2x) + -21 = 7t + -6
(5 * 4 + 2x * 4) + -21 = 7t + -6
(20 + 8x) + -21 = 7t + -6

Reorder the terms:
20 + -21 + 8x = 7t + -6

Combine like terms: 20 + -21 = -1
-1 + 8x = 7t + -6

Reorder the terms:
-1 + 8x = -6 + 7t

Solving
-1 + 8x = -6 + 7t

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 8x = -6 + 1 + 7t

Combine like terms: -1 + 1 = 0
0 + 8x = -6 + 1 + 7t
8x = -6 + 1 + 7t

Combine like terms: -6 + 1 = -5
8x = -5 + 7t

Divide each side by '8'.
x = -0.625 + 0.875t

Simplifying
x = -0.625 + 0.875t

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