0.2(p+7)-0.7(p+1)=-2

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Solution for 0.2(p+7)-0.7(p+1)=-2 equation: 


Simplifying
0.2(p + 7) + -0.7(p + 1) = -2

Reorder the terms:
0.2(7 + p) + -0.7(p + 1) = -2
(7 * 0.2 + p * 0.2) + -0.7(p + 1) = -2
(1.4 + 0.2p) + -0.7(p + 1) = -2

Reorder the terms:
1.4 + 0.2p + -0.7(1 + p) = -2
1.4 + 0.2p + (1 * -0.7 + p * -0.7) = -2
1.4 + 0.2p + (-0.7 + -0.7p) = -2

Reorder the terms:
1.4 + -0.7 + 0.2p + -0.7p = -2

Combine like terms: 1.4 + -0.7 = 0.7
0.7 + 0.2p + -0.7p = -2

Combine like terms: 0.2p + -0.7p = -0.5p
0.7 + -0.5p = -2

Solving
0.7 + -0.5p = -2

Solving for variable 'p'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -0.5p = -2 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.5p = -2 + -0.7
-0.5p = -2 + -0.7

Combine like terms: -2 + -0.7 = -2.7
-0.5p = -2.7

Divide each side by '-0.5'.
p = 5.4

Simplifying
p = 5.4

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